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The Spy in Black (1939) Plot Summary & Timeline

The Spy in Black (1939) movie poster

The Spy in Black is a 1939 war and thriller film directed by Michael Powell, running 1 hour 22 minutes. This page retells the whole story in 479 words (about 2 minutes to read) and covers 12 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 Spy in Black.

to read the plot summary
2 min
key events in the timeline
12
characters profiled
6
themes explained
3
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The Spy in Black (1939) movie poster
Released
Runtime
1h 22m
Director
Michael Powell
Genres
War, Thriller
Original language
English
No spoilers

What Is The Spy in Black About?

The premise of The Spy in Black in 289 words, with nothing given away. The full story follows below.

In the stark winter of 1917, the remote cliffs and wind‑blasted seascape of the Orkney Islands become a chessboard for a high‑stakes naval clash. A German U‑boat is dispatched to the archipelago with a single, urgent purpose: to locate and cripple the British fleet gathering at Scapa Flow. The film cloaks this wartime mission in a brooding, atmospheric mood, where the relentless sea mirrors the tension that simmers beneath every interaction.

At the heart of the intrigue is Captain Ernst Hardt, a disciplined but restless commander who is tasked with gathering the intelligence that will make the U‑boat strike possible. His resolve is tested as he steps ashore and encounters the enigmatic Fräulein Tiel, a woman who has assumed the identity of a local schoolteacher, Miss Anne Burnett. Their uneasy partnership hints at a dance of attraction and suspicion, each aware that trust is a luxury in a landscape saturated with espionage.

The island’s close‑knit community adds further layers to the suspense. A disgraced Royal Navy officer, Commander Ashington, lingers on the fringe of the local society, while the pious yet determined Rev. Harris represents the moral compass of the island’s residents. Beneath the surface, a relentless British intelligence presence, embodied by the stern Blacklock, watches every move, ensuring that the stakes remain ever‑present. Meanwhile, Lieutenant Felix Schuster, Hardt’s loyal first officer, reinforces the disciplined camaraderie that defines the German crew.

All of these forces converge in a world where fog‑shrouded cliffs, the howl of gulls, and the ever‑changing tide create a palpable sense of foreboding. The film’s tone is a blend of stark wartime realism and haunting romance, inviting the audience to wonder whether duty or desire will steer the characters through the dangerous waters that lie ahead.

Full plot

What Happens in The Spy in Black?

The complete story of The Spy in Black, from the first scene to the last, in 479 words (about 2 minutes). Spoilers throughout. Names in the text link to 5 cast member pages.

Spoilers ahead

In March 1917, Captain Ernst Hardt, Conrad Veidt, a World War I German U-boat commander, is ordered to spy on the British Fleet at Scapa Flow, rendezvousing at the Old Man of Hoy. He sneaks ashore on the Orkney Islands to meet his contact, Fräulein Tiel, Valerie Hobson. Tiel has taken over the identity of a new local schoolteacher, Miss Anne Burnett, June Duprez, whom female German agents had intercepted and chloroformed en route to the island. Hardt finds himself attracted to her, but Tiel shows no interest. The Germans are aided by a disgraced Royal Navy officer, the former Commander Ashington, Sebastian Shaw who, according to Tiel, has agreed to aid the Germans after losing his command due to drunkenness, and Tiel implies that she has slept with Ashington to obtain his cooperation.

The plan is almost disrupted when Burnett’s fiancé, Rev. Harris, arrives unexpectedly, but is taken captive; an intrusive local minister and his wife are also deflected away.

Equipped with the crucial information he needs about the British fleet movements, Hardt rendezvous with his submarine to arrange for a fleet of U-boats to attack a sortie of two Royal Navy squadrons. Returning to the house, and confident that all is going according to plan, Hardt makes a romantic overture to Tiel, but, pulling rank, she rebuffs him. She sneaks out of the house, believing she has locked Hardt in his room, but he leaves and secretly follows her, discovering that she has gone out to meet Ashington.

Hardt overhears them talking and learns they are imposters: the British are aware of his presence, and have turned his mission into a trap for the U-boats. As Jill prepares to leave the island, Blacklock returns to arrest Hardt, only to find he has eluded them. Disguised in Rev. Harris’s clothes, Hardt manages to board the island ferry, which is also carrying Jill, a number of civilian passengers, and eight German POWs. Blacklock reports Hardt’s escape to the base commander, who explains that the British had learned of the Germans’ plan when the real Anne Burnett briefly survived the German agents’ attempt to kill her by throwing her off an oceanside cliff.

At sea, Hardt manages to free the German prisoners and they seize the ferry. The Royal Navy pursue them, but before it can catch up the ferry is intercepted by Hardt’s submarine, and Hardt’s first officer, Lieutenant Felix Schuster, Marius Goring decides to shell it. As the U-boat surfaces and prepares to fire, Hardt realises it is his own submarine. He frantically attempts to signal it, but too late – the U-boat shells the ferry, which begins to sink. British ships then arrive and drop depth charges, destroying the fleeing U-boat. As Jill and the other passengers flee in lifeboats, Hardt realises all is lost and chooses to go down with the ship and join his crew.

Timeline

The Spy in Black Timeline: Every Key Event in Order

12 key events in the order they happen, from “Orders issued and Scapa Flow mission” to “Final sacrifice aboard the sinking ferry”. 12 events name a place, across 10 locations.

  1. 1

    Orders issued and Scapa Flow mission

    In March 1917, Captain Hardt is ordered to spy on the British Fleet at Scapa Flow. He rendezvouses with contacts near the Old Man of Hoy before sneaking ashore on the Orkney Islands. The mission is to observe fleet movements and identify a target for a German strike.

    When:March 1917 Where:Scapa Flow, Orkney Islands

  2. 2

    Hardt meets Fräulein Tiel on Orkney

    Hardt sneaks ashore on the Orkney Islands to meet Fräulein Tiel. Tiel has taken over the identity of a local schoolteacher, Miss Anne Burnett, to blend in with the islanders. Hardt is drawn to her, but Tiel shows little warmth.

    When:March 1917 Where:Orkney Islands

  3. 3

    Ashington ally and Tiel’s claim

    A disgraced Royal Navy officer, formerly Commander Ashington, agrees to aid the Germans. Tiel implies she has slept with Ashington to secure his cooperation. Their arrangement makes the operation look like a routine local contact rather than a spy ring.

    When:March 1917 Where:Island house

  4. 4

    Burnett’s fiancé arrives and is captured

    Burnett's fiancé, Rev. Harris, arrives unexpectedly and is captured by the Germans. A meddling local minister and his wife are deftly deflected away to avoid suspicion. The intrusion tests the operatives' cover and heightens the island's tension.

    When:Early phase Where:Island house

  5. 5

    Crucial intelligence and plan to attack

    Hardt, armed with crucial information about British fleet movements, returns to his submarine to coordinate an attack. He plans to deploy a fleet of U-boats to strike a sortie of two Royal Navy squadrons. The success hinges on keeping the deception hidden from the British.

    When:Following intel collection Where:Offshore near Scapa Flow

  6. 6

    Romantic overture and discovery

    Back at the house, Hardt makes a romantic overture to Tiel, but she rebuffs him and asserts control over the mission. She slips out, believing she has locked him in, while Hardt secretly follows to learn her movements. He discovers she is leaving to meet Ashington.

    When:Evening Where:House on the island

  7. 7

    Revelation of imposters

    Hardt overhears Tiel and Ashington plotting and realizes they are imposters. The British have turned his mission into a trap. Ashington is revealed to be RN Commander Blacklock, and Fräulein Tiel is his wife, Jill.

    When:Evening Where:House on the island

  8. 8

    Disguised escape and ferry departure

    Jill prepares to depart the island while Blacklock returns to arrest Hardt. Hardt escapes by disguising himself in Rev. Harris's clothes and boards the island ferry, which carries Jill, civilian passengers, and eight German POWs. A tense pursuit begins as the escape becomes public knowledge.

    When:Night Where:Island ferry, Orkney

  9. 9

    Base learns of the German trap

    Back at the base, Blacklock reports Hardt's escape to the commander. The base explains that the British had learned of the German plan when the real Anne Burnett briefly survived a failed attempt on her life.

    When:Following escape Where:British naval base

  10. 10

    Ferry seized and U-boat ambush begins

    At sea, Hardt frees the German prisoners and they seize the ferry. The Royal Navy pursues, but the ferry is intercepted by Hardt's submarine. Lieutenant Schuster orders the submarine to shell the ferry, creating chaos aboard.

    When:Moment after escape Where:Sea near Orkney

  11. 11

    Revelation and signaling failure

    Hardt realizes the shells are fired by his own submarine when it surfaces to engage. He frantically tries to signal his crew, but the moment escapes him. British ships arrive shortly after and begin depth-charge operations against the fleeing U-boat.

    When:Moments after shelling Where:Open sea around Orkney

  12. 12

    Final sacrifice aboard the sinking ferry

    Jill and the remaining passengers manage to abandon ship in lifeboats as the ferry sinks. Hardt accepts that all is lost and chooses to go down with the ship, staying with his crew to the end.

    When:Final moments Where:Sinking ferry, near Orkney

Characters

Who Are the Main Characters in The Spy in Black?

6 characters, among them Captain Ernst Hardt (Conrad Veidt), Fräulein Tiel (Valerie Hobson) and Miss Anne Burnett (June Duprez): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • CE

    Captain Ernst Hardt (Conrad Veidt)

    Played by Conrad Veidt

    A skilled German U-boat commander deployed to spy on the British fleet. He remains cool under pressure while navigating a web of deception, gradually facing moral conflict as the trap closes around him. In the end, he chooses to go down with his ship, showing steadfast loyalty to his crew.

    • 🕵️‍♂️ Espionage
    • ⚓ Naval Warfare
  • Valerie Hobson as Fräulein Tiel (Valerie Hobson) in The Spy in Black

    Fräulein Tiel (Valerie Hobson)

    Played by Valerie Hobson

    A German agent who has taken over the identity of Miss Anne Burnett, using deceit to manipulate Hardt and coordinate with Ashington. She is composed and calculating, resisting Hardt’s romantic overtures while steering the operation from behind the scenes.

    • 🧭 Espionage
    • 🗝️ Deception
  • MA

    Miss Anne Burnett (June Duprez)

    Played by June Duprez

    The real local schoolteacher whose identity is stolen by Tiel. She becomes a pawn in the espionage plot, with her presence anchoring the personal stakes of the mission and the danger surrounding the island.

    • 🎭 Identity
    • 🫂 Stakes
  • Cyril Raymond as Rev. John Harris (Cyril Raymond) in The Spy in Black

    Rev. John Harris (Cyril Raymond)

    Played by Cyril Raymond

    Anne Burnett’s fiancé and a local minister who arrives unexpectedly and is drawn into the dangerous situation. His presence heightens the tension and complicates the spy game with moral and relational pressures.

    • 🤝 Duty
    • 🕊️ Faith
  • Marius Goring as Lieutenant Felix Schuster (Marius Goring) in The Spy in Black

    Lieutenant Felix Schuster (Marius Goring)

    Played by Marius Goring

    Hardt’s first officer who embodies the tension between duty and personal loyalty. His decisions during the pursuit reveal the harsh calculus of command in wartime.

    • ⚓ Naval Command
    • 🗡️ Loyalty
  • A(

    Ashington (Sebastian Shaw)

    Played by Sebastian Shaw

    A disgraced Royal Navy officer who is revealed to be a double agent aiding the Germans. His manipulation of events highlights the fragility of loyalties and the ease with which trust can be exploited during war.

    • 🕵️‍♀️ Betrayal
    • 🧭 Espionage
Setting

Where and When Is The Spy in Black Set?

The Spy in Black is set in Orkney Islands, Scapa Flow and Old Man of Hoy (March 1917). Here is why the time and place matter to the story.

When

March 1917

The events occur in the midst of World War I, when naval warfare and submarine activity dominate the Atlantic theater. Tension rises as spies, double agents, and intercepted communications shape the strategic moves of both sides. The time period highlights the fragility of loyalties and the brutal calculus of wartime decisions.

Where

Orkney Islands, Scapa Flow, Old Man of Hoy

The story unfolds across the Orkney Islands and its surrounding waters, with key actions centered around Scapa Flow. The Old Man of Hoy provides a recognizable landmark during the rendezvous and escape sequences. The setting emphasizes remote coastal scenery essential to espionage and maritime operations during World War I.

  • 🏝️ Orkney Islands
  • 🌊 Scapa Flow
  • 🗺️ Old Man of Hoy
Themes

What Are the Themes of The Spy in Black?

3 ideas the story keeps returning to, among them Espionage, War and Deception and Loyalty and Sacrifice.

  1. 01

    Espionage

    Espionage drives the plot as German agents assume false identities and exploit local networks. The investigation and counter-plotting reveal how information is gathered, shared, and weaponized. Trust becomes a scarce resource as both sides improvise to outmaneuver each other.

  2. 02

    War and Deception

    The wartime setting frames deception as a tool for survival and advantage. Impostors, disguises, and misdirection underscore the precariousness of allegiance. The narrative examines how wartime necessity can blur moral lines and force hard choices.

  3. 03

    Loyalty and Sacrifice

    Maritime action and the ferry sequence test loyalty among officers and civilians alike. Hardt’s ultimate choice to stay with his crew underscores a fatal kind of loyalty. The human cost of war emerges amid strategic ambitions and personal convictions.

Tone & mood

What Kind of Film Is The Spy in Black?

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

Tone
Tense
Pacing
Steady
Story
Moderate
Intensity
High
Ending
Sad

A tense and grim World War I espionage thriller that builds suspense through a web of deception, leading to a tragic and inevitable conclusion steeped in sacrifice and futility.

  • tense
  • suspenseful
  • claustrophobic
  • grim
  • paranoid
  • tragic
  • espionage
  • world war i
  • submarine warfare
  • double cross

Content notes: war violence, submarine attack, captivity, implied murder, death in war.

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FAQ

The Spy in Black Plot Questions

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

What is The Spy in Black about?

In the stark winter of 1917, the remote cliffs and wind‑blasted seascape of the Orkney Islands become a chessboard for a high‑stakes naval clash. A German U‑boat is dispatched to the archipelago with a single, urgent purpose: to locate and cripple the British fleet gathering at Scapa Flow.

Read the full plot summary

When and where does The Spy in Black take place?

The Spy in Black is set in Orkney Islands, Scapa Flow and Old Man of Hoy (March 1917). The events occur in the midst of World War I, when naval warfare and submarine activity dominate the Atlantic theater.

The setting explained

Who are the main characters in The Spy in Black?

The story follows Captain Ernst Hardt (Conrad Veidt) (played by Conrad Veidt), Fräulein Tiel (Valerie Hobson) (played by Valerie Hobson), Miss Anne Burnett (June Duprez) (played by June Duprez) and Rev. John Harris (Cyril Raymond) (played by Cyril Raymond); the character guide covers 6 characters in all.

All the characters

What are the main themes of The Spy in Black?

The summary picks out 3 themes: Espionage, War and Deception and Loyalty and Sacrifice.

The themes explained

Who directed The Spy in Black?

The Spy in Black (1939) was directed by Michael Powell and runs 1 hour 22 minutes.

Michael Powell’s films

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