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Plot summary

The Deep Six (1958) Plot Summary & Timeline

The Deep Six (1958) movie poster

The Deep Six is a 1958 drama and war film directed by Rudolph Maté and Steve Mitchell, running 1 hour 45 minutes. This page retells the whole story in 802 words (about 3 minutes to read) and covers 14 key events in order, 6 characters, where and when it is set and 3 themes. Looking for the cast, ratings and where to stream it? See the movie page for The Deep Six.

to read the plot summary
3 min
key events in the timeline
14
characters profiled
6
themes explained
3
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The Deep Six (1958) movie poster
Released
Runtime
1h 45m
Genres
Drama, War
Original language
English
No spoilers

What Is The Deep Six About?

The premise of The Deep Six in 311 words, with nothing given away. The full story follows below.

In the heat of the Pacific war, a U.S. destroyer prowls the rugged seas, its crew bound by routine drills and the ever‑present threat of enemy aircraft. The ship’s cramped corridors and open decks become a world where camaraderie and discipline clash with the chaos of battle, a setting that feels both claustrophobic and boundless. Against this backdrop, the film moves with a steady, tense rhythm, letting the metallic clang of guns and the hush of night‑time watches set a mood of quiet urgency.

​Alec Austin arrives aboard as a newly assigned gunnery officer whose Quaker upbringing makes him an unlikely fit for the violent expectations of naval combat. His refusal to fire on an unidentified plane immediately sows doubt among his peers, turning his personal convictions into a source of friction that reverberates through the crew. Alec’s calm demeanor and internal struggle introduce a moral counterpoint to the gritty realism of wartime service, painting a portrait of a man caught between conscience and duty.

​Frenchy Shapiro, a seasoned petty officer, quickly becomes Alec’s most steadfast supporter. Their bond bridges rank and background, offering a blend of gruff mentorship and genuine friendship that softens the ship’s hard edges. In contrast, ​Lt. Cmdr. Edge views Alec’s pacifist leanings with suspicion, letting his own ambition and bias against non‑WASP officers fuel a lingering rivalry. This clash of personalities injects a subtle, simmering tension that underpins every interaction on board.

Amid the looming danger of the Aleutian campaign, Alec is presented with an opportunity to prove his mettle: a hazardous rescue of downed American pilots stranded on a Japanese‑held island. The prospect of such a mission hints at high‑stakes bravery, testing the fragile balance between personal principle and the harsh demands of war. The film’s tone remains tightly wound, inviting the audience to wonder whether Alec’s conviction can survive the unforgiving crucible of combat.

Full plot

What Happens in The Deep Six?

The complete story of The Deep Six, from the first scene to the last, in 802 words (about 3 minutes). Spoilers throughout. Names in the text link to 7 cast member pages.

Spoilers ahead

Set in September 1942, amid the heat of World War II, the story follows Susan Cahill, an art director at a Madison Avenue ad agency run by her fiancé, as she navigates love, ambition, and the looming call to duty. Susan becomes increasingly unsettled by her fiancé’s public flirtations with a client’s daughter meant to clinch a deal, a tension that threads through every interaction she has with him. When agency artist Alexander “Alec” Austen invites her to dinner on Long Island, the encounter stirs a careful curiosity in Susan, even though she also senses Alec’s earnest, undeniable attraction toward her. The dinner marks the beginning of a complicated bond, one that will pull them toward decisions neither of them is ready to face.

Before reporting for duty, Alec takes Susan home to meet his mother, a Quaker whose pacifist beliefs clash with the realities of war. Alec reveals his hope to marry Susan, and his mother Mrs. Austen listens with a mixture of warmth and sorrow, aware that his call to service may complicate their plans. Susan admits she loves Alec, but she is not prepared to break off her engagement, choosing instead to hold fast to her commitments as the world around them darkens.

Alec reports aboard the destroyer USS Poe at the Brooklyn Navy Yard, where Cmdr. Warren Meredith Cmdr. Warren Meredith quickly befriends him. The ship’s doctor, Lt. Blanchard, grows to respect Alec, recognizing a deeper resolve behind his quiet manners. Yet the ship’s executive officer, Lt. Cmdr. Mike Edge, dislikes Alec from the start, casting a wary eye on his Quaker background and the implications it has for his suitability as assistant gunnery officer. In the gunnery division, Alec’s calm handling of a gambling-for-high-stakes moment earns him mixed respect, with Chief Petty Officer Frenchy Shapiro offering a hard-won friendship that bridges rank and experience.

The Poe sails with a grim efficiency, and when three survivors are pulled from a sunken German submarine, Alec and Blanchard strive to treat them humanely, even as Edge condemns what he views as weakness. Alec reassures his crew that it is possible to hold onto humanity in the heat of war, a belief that will be repeatedly tested as tensions mount and loyalties clash.

In San Francisco, Alec begins drawing a portrait of Frenchy Shapiro to give to his daughter, a gesture that underscores the growing bond between the two men. The captain grants Alec five days of liberty to visit Susan, who has come to California after Blanchard contacted her. The lovers decide to marry immediately and travel to Pebble Beach to stay with Susan’s sister, only to learn that her brother-in-law has just been killed in action. Alec resolves to return to the Poe and marry Susan later, once he survives his duty.

At sea in the Aleutian Islands, a tense moment arises when an approaching aircraft triggers a request for orders to open fire. Alec cannot bring himself to give the command, so the captain reshuffles his duties, swapping Alec’s post with that of the damage-control officer. Edge lashes out, and many on the Poe shun Alec for what they see as a cowardly failure to hate the enemy. Yet the hardship also lays bare a stubborn courage: when a Japanese plane finally threatens the ship, an unexploded bomb crashes through the deck, and with Frenchy Shapiro’s help, Alec hoists the dangerous device overboard rather than risk a catastrophic detonation. A funeral service later honors sailors killed in the attack and reminds the crew that they owe their lives to moments of bravery born of doubt and doubt transformed into action.

The danger does not end there. A later mission ashore aims to rescue stranded airmen and recover reconnaissance photographs of a Japanese-held island, a task that tests the crew’s nerve and resolve. The team links up with the airmen, but they are soon cut off by advancing Japanese soldiers. In the ensuing firefight, Frenchy is mortally wounded as Alec struggles to maintain control; he is forced to shoot four enemies to protect his remaining comrades, a moment that shatters any lingering doubts about his courage. Frenchy dies believing in his friend’s humanity, and Alec carries out the grim duty with a heavy heart.

Returning to Susan after the harrowing ordeal, Alec presents the completed portrait of Frenchy Shapiro to his daughter, a poignant reminder of a friend he could not save and a testament to the way war can force people to reconcile duty with compassion. The film closes on a note of quiet resilience: a man who once froze under pressure learns to act in the best traditions of honesty and courage, and a young couple who dared to dream of a future together finds a way forward in the shattered light of a nation at war.

Timeline

The Deep Six Timeline: Every Key Event in Order

14 key events in the order they happen, from “Susan's jealousy and invitation” to “Return to Susan with the portrait”. 14 events name a place, across 12 locations.

  1. 1

    Susan's jealousy and invitation

    Susan Cahill grows jealous of Alec's business flirtations, even as he courts her with quiet charm. She accepts an invitation to dinner on Long Island, initiating the budding romance. The tension between obligation and desire sets the emotional tone for what follows.

    When:September 1942 Where:Long Island, New York

  2. 2

    Alec reports for duty and meets his mother

    Alec receives a telegram ordering him to report for active duty in the U.S. Navy, a commitment he tries not to reveal to Susan. He takes Susan home to meet his mother, who is hurt by the secrecy and by the clash between pacifist upbringing and wartime duty. Alec explains his plan to marry after his service, balancing love with obligation.

    When:Day before deployment, September 1942 Where:Brooklyn / Long Island, New York

  3. 3

    Aboard the Poe: first impressions

    Alec reports to the destroyer USS Poe at the Brooklyn Navy Yard, where the captain quickly warms to him. He befriends the ship's doctor Blanchard, while Lt. Edge disapproves of Alec's Quaker background and his role as assistant gunnery officer. Alec earns respect through calm leadership and by handling a gambling-related incident with tact.

    When:September 1942 Where:Brooklyn Navy Yard / USS Poe

  4. 4

    Gunnery division and old rivalries

    Alec introduces himself to the gunnery division and tries to keep the peace, catching the men gambling but choosing not to overreact. Chief Petty Officer Frenchy Shapiro congratulates him on handling the situation, and the two form an unlikely friendship despite rank differences. The crew begins to see Alec as a man of principle under pressure.

    When:September 1942 Where:USS Poe

  5. 5

    Survivors from a sunken submarine

    The Poe rescues three survivors from a sunken German submarine, and Blanchard and Alec attempt to treat them humanely. Edge angrily objects, accusing Alec of lacking the necessary hatred for the enemy. Alec defends his stance, arguing that courage and decency can coexist even in war.

    When:September 1942 Where:USS Poe

  6. 6

    San Francisco liberty and a portrait

    In San Francisco, Alec begins drawing a portrait of Frenchy to give to his daughter. The captain grants five days of liberty to visit Susan, who has traveled west after Blanchard's call. They plan to marry and stay at Pebble Beach, but news of tragedy back home complicates their hopes.

    When:September 1942 Where:San Francisco, California

  7. 7

    Pebble Beach plans and duty's pull

    Alec and Susan decide to marry immediately and travel to Pebble Beach to stay with Susan's sister. However, the sister's husband is killed in action, and Alec chooses to return to the Poe to marry Susan only after safely completing his duty. The vow to duty weighs heavily against the pull of love.

    When:September 1942 Where:Pebble Beach, California

  8. 8

    Aleutian hesitation: the shot that isn’t fired

    At sea in the Aleutian Islands, an approaching aircraft prompts the gunners to open fire, but Alec cannot bring himself to give the order. The plane turns out to be American, and the captain rearranges assignments. Edge condemns Alec, while Alec insists that heroism can take many forms.

    When:September 1942 Where:Aleutian Islands, aboard USS Poe

  9. 9

    Unexploded bomb and a moment of courage

    During a Japanese air attack, a bomb crashes through the deck without exploding. With Frenchy's help, Alec throws the unexploded ordnance overboard, saving the crew from certain disaster. The act earns quiet recognition from the captain and lightens the stigma of his earlier hesitation.

    When:September 1942 Where:USS Poe deck

  10. 10

    Funeral for fallen sailors

    A funeral service honors sailors killed in the air attack, and the captain reminds the crew that Alec and Frenchy's bravery may have saved many lives. The crew pays tribute to their quiet courage under fire. The moment deepens Alec's resolve and the crew's respect for him.

    When:September 1942 Where:USS Poe, Dutch Harbor vicinity

Show the other 4 events of The Deep Six
  1. 11

    Dutch Harbor brawl and inner turmoil

    At Dutch Harbor, Alec tries to intervene as tensions erupt between Poe sailors and Merchant Marines. He is knocked to the ground by a merchant mariner and, later, unconscious after a blow from Frenchy in the ensuing skirmish. He confesses to Blanchard that he felt an urge to kill, prompting a corrective, compassionate conversation about wartime strain.

    When:September 1942 Where:Dutch Harbor

  2. 12

    Volunteer rescue mission on the island

    Alec volunteers to lead a dangerous mission ashore to rescue stranded airmen and retrieve reconnaissance photos. He teams with Frenchy and several crew members, linking up with the airmen but facing heavy resistance from Japanese soldiers along the beach. He orders fire to protect his team as the operation unfolds.

    When:September 1942 Where:Japanese-held island near Dutch Harbor

  3. 13

    Frenchy's death and Alec's turning point

    Four enemy soldiers emerge; Frenchy is wounded and dies shortly after. Alec kills the four enemies to protect his friend, and he himself is wounded in the action. Frenchy's death marks a turning point for Alec, binding duty and personal loss in a new resolve.

    When:September 1942 Where:Japanese-held island

  4. 14

    Return to Susan with the portrait

    Soon after, Alec returns to Susan with Frenchy's completed portrait intended for his daughter. The gesture offers a human moment of connection amid the war’s brutality and cements the personal cost of his service. The ending leaves open the future of his romance and honors Frenchy's memory.

    When:September 1942 Where:San Francisco, California

Characters

Who Are the Main Characters in The Deep Six?

6 characters, among them Susan Cahill (Dianne Foster), Alexander 'Alec' Austen (Alan Ladd) and Cmdr. Warren Meredith (James Whitmore): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Dianne Foster as Susan Cahill (Dianne Foster) in The Deep Six

    Susan Cahill (Dianne Foster)

    Played by Dianne Foster

    Alec Austen's fiancée and an art director on Madison Avenue. She struggles with jealousy and love as Alec contemplates marriage while he goes to sea, and she remains determined to marry him if he survives the war. Her presence on the home front embodies the human costs and emotional stakes of wartime separation.

    • 💍 Relationship
    • 🧭 Internal conflict
    • 🏙️ City life
  • A'

    Alexander 'Alec' Austen (Alan Ladd)

    Played by Alan Ladd

    Raised in a Quaker environment, Alec is a conscientious objector who wrestles with the necessity of killing in war. He shows moral integrity, loyalty to his crew, and a steady temper under pressure. His journey is defined by balancing personal conscience with duty to his ship and comrades.

    • 🕊️ Conscience
    • ⚖️ Duty
    • 🧭 Leadership
  • CW

    Cmdr. Warren Meredith (James Whitmore)

    Played by James Whitmore

    Captain of the destroyer Poe, Meredith is fair-minded and supportive, recognizing Alec’s potential and guiding him through testing moments. He balances authority with mentorship, fostering a climate where moral considerations can be voiced. His leadership anchors the ship’s morale during crises.

    • 🧭 Leadership
    • ⚓ Authority
    • 🤝 Mentorship
  • Efrem Zimbalist Jr. as Lt. Blanchard (Efrem Zimbalist Jr.) in The Deep Six

    Lt. Blanchard (Efrem Zimbalist Jr.)

    Played by Efrem Zimbalist Jr.

    The Poe’s ship’s doctor who becomes a confidant to Alec, offering medical and ethical perspective during tense moments. He helps Alec navigate moral dilemmas and provides a steady, humane counterpoint to battlefield decisions. His support underscores the theme that science and compassion can coexist with duty.

    • 🩺 Medicine
    • 🤝 Friendship
    • 🧭 Moral compass
  • Keenan Wynn as Lt. Cmdr Mike Edge (Keenan Wynn) in The Deep Six

    Lt. Cmdr Mike Edge (Keenan Wynn)

    Played by Keenan Wynn

    The Poe’s executive officer who immediately distrusts Alec due to his Quaker background and pacifist leanings. Edge embodies wartime rigidity and the harsher side of naval hierarchy, clashing with Alec’s conscience. His arc reflects the pressure to conform to military norms at all costs.

    • ⚓ Authority
    • 🗡️ Conflict
    • 🧭 Prejudice
  • CP

    Chief Petty Officer 'Frenchy' Shapiro (William Bendix)

    Played by William Bendix

    Alec’s closest ally among the crew, Frenchy shares fears about duty and survival and remains a steadfast friend. He supports Alec’s moral choices, stands by him in moments of danger, and sacrifices himself during a key mission. Frenchy’s portrait given to Alec’s daughter symbolizes enduring friendship beyond death.

    • 🤝 Friendship
    • 🔥 Sacrifice
    • ⚓ Navy
Setting

Where and When Is The Deep Six Set?

The Deep Six is set in Brooklyn Navy Yard, New York, Madison Avenue, New York, San Francisco… (1942). Here is why the time and place matter to the story.

When

1942

The film is set in World War II, beginning in September 1942 as Alec Austen is called to duty. The narrative follows shipboard life, training, and combat across the Pacific Theater, culminating in frontline actions in the Aleutians. The period emphasizes military hierarchy, improvisation under pressure, and the clash between pacifist beliefs and wartime necessity.

Where

Brooklyn Navy Yard, New York, Madison Avenue, New York, San Francisco, California, Pebble Beach, California, Dutch Harbor, Aleutian Islands

Locations span major U.S. hubs and frontline waters. The story opens at the Brooklyn Navy Yard and moves through Manhattan's business scene, then shifts to the West Coast with San Francisco and Pebble Beach. The voyage ultimately takes the crew to Dutch Harbor in the perilous Aleutians, highlighting both home-front life and frontline combat in wartime America.

  • 🗽 New York
  • ⚓ Naval Base
  • 🏖️ Pebble Beach
  • 🌊 Aleutian Sea
  • 🗺️ Pacific Theater
Themes

What Are the Themes of The Deep Six?

3 ideas the story keeps returning to, among them Conscience vs Duty, Friendship & Loyalty and Courage Under Fire.

  1. 01

    Conscience vs Duty

    Alec’s Quaker upbringing makes him morally cautious, preferring restraint to vengeance. The crew and leadership push him to conform to wartime norms, even when it conflicts with his pacifist beliefs. He wrestles with when to use force and when to show mercy, notably during the submarine survivors and the unshot aircraft. This inner struggle drives his character arc and the film’s moral core.

  2. 02

    Friendship & Loyalty

    Frenchy Shapiro becomes Alec’s closest ally, sharing fears about duty and personal risks. Their camaraderie provides a humane counterpoint to military rigidity and highlights the power of trust under fire. Frenchy’s sacrifice and the final portrait reinforce how friendship sustains people through war’s horrors. Loyalty emerges as a vital force that strengthens the crew.

  3. 03

    Courage Under Fire

    The Aleutian mission tests Alec’s resolve as he hesitates to fire, then leads a dangerous rescue with Frenchy by his side. The mission exposes the weight of responsibility and the consequences of hesitation. Alec’s growth is marked by his willingness to risk himself to save teammates and the mission. The crew honors their bravery in the aftermath, underscoring courage as a defining wartime trait.

Tone & mood

What Kind of Film Is The Deep Six?

Tense in tone, with steady pacing and a straightforward story, going by the plot summary.

Tone
Tense
Pacing
Steady
Story
Straightforward
Intensity
High
Ending
Bittersweet

A tense and emotionally heavy wartime drama that follows a Quaker naval officer's struggle to reconcile his pacifist beliefs with the brutal necessities of combat, creating a somber yet courageous atmosphere.

  • tense
  • somber
  • reflective
  • courageous
  • morally complex
  • grieving
  • conscientious objector
  • world war ii
  • moral conflict
  • military duty

Content notes: war violence, death in combat, military casualties, psychological trauma.

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6 films close to The Deep Six in story and themes that have a full plot summary here: We Dive at Dawn (1943) and Operation Pacific (1951) lead.

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FAQ

The Deep Six Plot Questions

5 quick answers about The Deep Six, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is The Deep Six about?

In the heat of the Pacific war, a U.S. destroyer prowls the rugged seas, its crew bound by routine drills and the ever‑present threat of enemy aircraft.

Read the full plot summary

When and where does The Deep Six take place?

The Deep Six is set in Brooklyn Navy Yard, New York, Madison Avenue, New York, San Francisco, California, Pebble… (1942). The film is set in World War II, beginning in September 1942 as Alec Austen is called to duty. The narrative follows shipboard life, training, and combat across the Pacific Theater, culminating in frontline actions in…

The setting explained

Who are the main characters in The Deep Six?

The story follows Susan Cahill (Dianne Foster) (played by Dianne Foster), Alexander 'Alec' Austen (Alan Ladd) (played by Alan Ladd), Cmdr. Warren Meredith (James Whitmore) (played by James Whitmore) and Lt. Blanchard (Efrem Zimbalist Jr.) (played by Efrem Zimbalist Jr.); the character guide covers 6 characters in all.

All the characters

What are the main themes of The Deep Six?

The summary picks out 3 themes: Conscience vs Duty, Friendship & Loyalty and Courage Under Fire.

The themes explained

Who directed The Deep Six?

The Deep Six (1958) was directed by Rudolph Maté and Steve Mitchell and runs 1 hour 45 minutes.

Rudolph Maté’s films

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