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Moon Zero Two (1969) Plot Summary & Timeline

Moon Zero Two (1969) movie poster

Moon Zero Two is a 1969 sci-fi film directed by Roy Ward Baker, running 1 hour 41 minutes. This page retells the whole story in 686 words (about 3 minutes to read) and covers 12 key events in order, 3 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 Moon Zero Two.

to read the plot summary
3 min
key events in the timeline
12
characters profiled
3
themes explained
3
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Moon Zero Two (1969) movie poster
Released
Runtime
1h 41m
Director
Roy Ward Baker
Genre
Sci-Fi
Original language
English
No spoilers

What Is Moon Zero Two About?

The premise of Moon Zero Two in 291 words, with nothing given away. The full story follows below.

In a near‑future Moon where domed settlements cling to the desolate surface, humanity’s newest frontier feels both sterile and wild. The stark regolith stretches beneath a sky rimmed with distant Earth and the glint of orbital industry, while moon‑base streets buzz with the restless energy of pioneers, prospectors, and outlaws. The colony’s gritty, western‑style atmosphere is amplified by the thin air and the constant hum of machinery, creating a backdrop where ambition and survival are measured in tons of rock and ounces of water.

William H. Kemp arrives as a lone salvager, a former astronaut whose first steps on Mars now seem a distant echo. After walking away from the polished corridors of the Space Corporation, he trades his badge for a rugged Moon‑02 ferry, ferrying cargo and crews across the void. His reputation for daring improvisation draws the attention of a powerful space industrialist—J.J. Hubbard—who commissions Kemp for a bold venture: securing a massive 6,000‑ton sapphire asteroid that circles the lunar horizon.

Enter Clementine Taplin, a determined woman who lands on the Moon’s near side searching for clues about her missing miner‑prospector brother. With limited transport options and a sense of urgency, she seeks out Kemp’s fast‑moving ferry, hoping his knowledge of the harsh terrain will bring her closer to the truth. Their paths intersect, intertwining his expertise with her resolve, and hint at a partnership forged in the thin‑air frontier.

Together they navigate a world where every crater can hide opportunity or danger, and every deal with the Moon’s elite carries hidden weight. The film balances the cold, metallic sheen of the lunar landscape with the warm, outlaw spirit of a classic frontier tale, promising a voyage that tests courage, resourcefulness, and the ever‑shifting line between profit and principle.

Full plot

What Happens in Moon Zero Two?

The complete story of Moon Zero Two, from the first scene to the last, in 686 words (about 3 minutes). Spoilers throughout. Names in the text link to 3 cast member pages.

Spoilers ahead

In May 2021, the Moon is in the process of being colonized, drawing a diverse mix of people to budding lunar settlements like Moon City and Farside 5. Among the residents are two very different figures who symbolize the frontier spirit and the rough edges of this new world: the notorious millionaire J.J. Hubbard Warren Mitchell and the former-astronaut-turned-satellite-salvager Capt. William H. Kemp James Olson, the first man to set foot on Mars. Kemp left Space Corporation because he craved true exploration, while his former employer focuses on commercial passenger flights to Mars and Venus, painting a clash of values that will set the tone for what follows.

A tense balance of power soon emerges when a young woman named Clementine Taplin Catherine Schell arrives on the Nearest Side of the Moon, seeking news about her brother, a miner and prospector working a remote patch of lunar farside terrain near Spectacle Crater. The journey from Moon City to this distant outpost would take six days by ground transport, a delay that prompts Clementine to seek out Kemp, whose Moon 02 space ferry can cover the distance far more quickly. Their alliance grows quickly as they push deeper into the cold, craggy expanse where craters glow under alien stars and the air is thin with the hum of distant machinery.

The campsite near Spectacle Crater reveals a grim truth: Clementine’s brother is dead, murdered after discovering a lucrative vein of nickel that could make him rich. This discovery has not only attracted the attention of Hubbard and his followers but also set in motion a deadly game of cat and mouse as Hubbard’s men close in. Kemp, who has every reason to resist the danger, finds himself drawn into protecting Clementine and uncovering the truth behind the crime, even as Hubbard’s operatives pursue them with ruthless efficiency. Kemp’s skills as a pilot and a practical problem-solver prove essential as they fend off attacks and try to understand the motive behind the killings.

The situation grows increasingly perilous as Hubbard realigns his priorities. Feeling his hold on the nickel claim slipping away, he tries to coerce Kemp into staying on the mission to recover the enormous sapphire asteroid, a 6000-tonne treasure made of pure ceramic sapphire that sits in a low lunar orbit. The plan is audacious: haul the asteroid down to the lunar surface, using it as a strategic asset for building more powerful rocket engines—an irresistible prospect for anyone aiming to dominate the race to Mercury and beyond. Yet this plan would break Space Corporation law, and Kemp is caught between loyalty, ambition, and survival. Hubbard’s manipulation edges closer to forcing Kemp into a deadly choice, a move that becomes personal as Clementine’s life also hangs in the balance.

Kemp resists the coercion with a quiet resolve, even as the conflict escalates into direct confrontation. In a tense shootout, Kemp is compelled to shoot one of Hubbard’s men, a reminder that the frontier’s allure can also demand brutal sacrifices. In a final act of audacity, Kemp turns the situation on Hubbard by stranding him and his remaining associate on the massive sapphire asteroid just as retro-rockets ignite. The vessel fires away from the Moon, hurtling toward the lunar surface, while Kemp and Clementine grapple with the consequences of their choices.

As the asteroid’s dramatic escape unfolds, Clementine—now recognized as the next of kin to her late brother—gains legal ownership of his nickel vein and the nearby “crashed” sapphire asteroid, sealing her transition from a worried sibling to a young entrepreneur poised to inherit a fortune. The twist of fate blesses her with wealth and legitimacy in a world where risk and resilience are the true currencies of progress, underscoring the harsh but hopeful reality of lunar colonization.

What begins as a perilous confrontation over a priceless resource evolves into a testament to resourcefulness, courage, and the unpredictable rewards of the new lunar frontier. The tale weaves together ambition, loyalty, and the price of discovery, leaving Clementine poised to capitalize on her brother’s legacy while the Moon continues to attract dreamers, schemers, and explorers in equal measure.

Timeline

Moon Zero Two Timeline: Every Key Event in Order

12 key events in the order they happen, from “Moon colonization begins: May 2021” to “Aftermath: a new balance on the Moon”. 12 events name a place, across 10 locations.

  1. 1

    Moon colonization begins: May 2021

    In May 2021, the Moon is in the process of being colonized, attracting a diverse population to Moon City, Farside 5 and other lunar settlements. The frontier atmosphere is rough, with new social schemes and rivalries shaping the micro-society. The stage is set for ambition, profit, and danger among the settlers.

    When:May 2021 Where:Moon City

  2. 2

    Hubbard and Kemp: two diverging paths

    Hubbard, a wealthy denizen, and Bill Kemp, a former-astronaut turned satellite-salvager, embody the frontier's conflicting motives. Hubbard plans to exploit rare resources for profit, while Kemp longs to push the boundaries of space exploration. Their paths will cross with high stakes as the story unfolds.

    When:May 2021 Where:Moon City

  3. 3

    The sapphire asteroid deal

    Hubbard hires Kemp to capture a 6000-tonne sapphire asteroid in low lunar orbit. Kemp is tasked with transporting it down to the farside surface, even though such an act would violate Space Corporation law. The scheme hinges on the promise of lucrative insulation materials for future rockets.

    When:May 2021 Where:Low lunar orbit

  4. 4

    Kemp faces license revocation

    Kemp learns that Space Corporation plans to revoke his flight license, pressuring him to accept Hubbard's risky plan. The offer is framed as a chance to act before corporate rules clamp down and to profit from a crucial space-age resource.

    When:May 2021 Where:Moon 02 ferry / lunar vicinity

  5. 5

    Clementine arrives at Spectacle Crater

    A young woman named Clementine arrives at Spectacle Crater on the lunar farside, seeking her missing miner brother. The journey from Moon City to Spectacle Crater would take six days by a wheeled lunar vehicle. The reunion quest becomes entangled with Kemp's mission.

    When:Six days after departure from Moon City Where:Spectacle Crater, lunar farside

  6. 6

    Clementine persuades Kemp to help

    Clementine convinces Kemp to help her determine if her brother is alive. Kemp agrees, guiding them through rough terrain after landing near Spectacle Crater with a transport buggy. The uneasy alliance sets the stage for a dangerous search.

    When:During the search Where:Spectacle Crater vicinity

  7. 7

    Discovery: brother dead, nickel vein found

    The duo discovers Clementine's brother is dead at his camp, murdered for discovering a large nickel vein. The find hints at immense wealth and increases Hubbard's desperation to control the claim. The tragedy adds personal stakes to the on-site conflict.

    When:During the search Where:Spectacle Crater camp

  8. 8

    Hubbard's men attack

    Hubbard's men ambush Kemp and Clementine, forcing a desperate fight for survival. Kemp shoots back, eliminating the attackers one by one and protecting the unlikely partnership. The skirmish tightens the danger surrounding the mission.

    When:During the ambush Where:Spectacle Crater vicinity

  9. 9

    Blackmail and coercion

    Hubbard reveals he was responsible for Clementine's brother's death and uses the threat to her safety to coerce Kemp back into the asteroid job. Kemp faces a moral crossroads as corporate power collides with personal loyalties. The pressure escalates as time runs out.

    When:After the ambush Where:Moon outskirts / orbit

  10. 10

    Kemp strands Hubbard on the sapphire

    Kemp strands Hubbard and his remaining man on the large sapphire asteroid just before the retro-rockets fire, sending the rock toward the lunar surface. The bold move thwarts Hubbard's plan but leaves the criminals stranded. Clementine's fate and future ownership become more certain as the craft heads away.

    When:During the launch Where:On sapphire asteroid, lunar orbit

  11. 11

    Clementine inherits the nickel vein and sapphire

    With Clementine being her brother's next of kin, she gains legal ownership of the nickel vein and the crashed sapphire asteroid. The windfall makes her a very wealthy woman and shifts the power dynamics on the farside mining frontier. The resolution cements her as the primary beneficiary of the conflict.

    When:Immediately after the asteroid launch Where:Spectacle Crater / lunar farside

  12. 12

    Aftermath: a new balance on the Moon

    The immediate threats fade as Clementine's wealth and property claims redefine the frontier. Kemp walks a fine line between independence and corporate power, having chosen loyalty over profit. Hubbard's ambitions crumble as his schemes collapse around him.

    When:Post-crash Where:Lunar surface / farside

Characters

Who Are the Main Characters in Moon Zero Two?

3 characters, among them J.J. Hubbard, played by Warren Mitchell, Bill Kemp, played by James Olson and Clementine Taplin, played by Catherine Schell: who each one is and the part they play in the story. Every profile links to the actor’s page.

  • JH

    J.J. Hubbard, played by Warren Mitchell

    Played by Warren Mitchell

    A ruthless and charismatic financier who uses a lunar mining scheme to secure power. He drives the plot through manipulation, blackmail, and a willingness to kill to protect his fortune. His plans threaten both the mission and the lives of those who stand in his way.

    • 💰 Greedy
    • 🧭 Corporate
    • 🗡️ Ruthless
  • BK

    Bill Kemp, played by James Olson

    Played by James Olson

    A former astronaut turned space freighter captain who chafes at corporate control and seeks true space exploration. He becomes entangled in Hubbard's schemes but fights to protect Clementine and do what is right, even at personal risk.

    • 💪 Reluctant hero
    • 🛰️ Pilot
    • 🧭 Independent
  • Catherine Schell as Clementine Taplin, played by Catherine Schell in Moon Zero Two

    Clementine Taplin, played by Catherine Schell

    Played by Catherine Schell

    A determined prospecting seeker who travels across the lunar surface to find her brother. She becomes a catalyst for the conflict over the nickel vein and ends up owning the nearby sapphire asteroid through family ties.

    • 👩‍🚀 Protagonist
    • 🗺️ Family ties
    • 🛡️ Determined
Setting

Where and When Is Moon Zero Two Set?

Moon Zero Two is set in Moon City, Spectacle Crater and lunar farside (May 2021). Here is why the time and place matter to the story.

When

May 2021

The story unfolds in May 2021, during a lunar colonization boom that draws a diverse population of prospectors and businessmen. Resource competition and corporate influence shape daily life, as new settlements push further into the Moon's frontier. The era is defined by daring missions, mining claims, and the tension between exploration and control.

Where

Moon City, Spectacle Crater, lunar farside

Moon City sits on the Moon's near side as a growing hub for settlers and space entrepreneurs. The lunar farside hosts Spectacle Crater and distant mining outposts, forming a rough-and-tumble backdrop for exploration and resource extraction. The setting blends stark cratered terrain with high-tech operations that enable salvage, transport, and risky ventures.

  • 🌕 Lunar settlements
  • 🛰️ Space frontier
Themes

What Are the Themes of Moon Zero Two?

3 ideas the story keeps returning to, among them Greed, Frontier Spirit and Law & Survival.

  1. 01

    Greed

    Hubbard's plan to profit from a sapphire asteroid drives much of the conflict, including coercion and threats. Wealth becomes a key motivator that blurs ethics and escalates danger in the pursuit of control over resources. The narrative ties personal ambition to broader schemes of exploitation on the Moon.

  2. 02

    Frontier Spirit

    Lunar exploration and mining embody the frontier ethos, with Kemp as a former astronaut navigating risky missions for salvage and opportunity. Clementine's quest to locate her brother and secure a claim shows how personal stakes intersect with large-scale ventures. The harsh lunar landscape tests ingenuity, resilience, and courage.

  3. 03

    Law & Survival

    Space Corporation law clashes with opportunism on the Moon, shaping who can claim what and under which conditions. Kemp faces license pressure while Hubbard manipulates the system to protect his interests. The resolution shifts the balance toward rightful ownership, highlighting the strain between legality and survival in a lawless frontier.

Tone & mood

What Kind of Film Is Moon Zero Two?

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

Tone
Hopeful
Pacing
Steady
Story
Straightforward
Intensity
Medium
Ending
Happy

A gritty, western-style space adventure on the lunar frontier that builds tension through shootouts and pursuit, but ultimately feels hopeful and rewarding of courage and resourcefulness.

  • gritty
  • frontier spirit
  • adventurous
  • tense
  • resourceful
  • hopeful
  • lunar frontier
  • space salvage
  • corporate greed
  • murder investigation

Content notes: murder, shootout violence.

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FAQ

Moon Zero Two Plot Questions

5 quick answers about Moon Zero Two, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is Moon Zero Two about?

In a near‑future Moon where domed settlements cling to the desolate surface, humanity’s newest frontier feels both sterile and wild. The stark regolith stretches beneath a sky rimmed with distant Earth and the glint of orbital industry, while moon‑base streets buzz with the restless energy of…

Read the full plot summary

When and where does Moon Zero Two take place?

Moon Zero Two is set in Moon City, Spectacle Crater and lunar farside (May 2021). The story unfolds in May 2021, during a lunar colonization boom that draws a diverse population of prospectors and businessmen.

The setting explained

Who are the main characters in Moon Zero Two?

The story follows J.J. Hubbard, played by Warren Mitchell (played by Warren Mitchell), Bill Kemp, played by James Olson (played by James Olson) and Clementine Taplin, played by Catherine Schell (played by Catherine Schell).

All the characters

What are the main themes of Moon Zero Two?

The summary picks out 3 themes: Greed, Frontier Spirit and Law & Survival.

The themes explained

Who directed Moon Zero Two?

Moon Zero Two (1969) was directed by Roy Ward Baker and runs 1 hour 41 minutes.

Roy Ward Baker’s films

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