Skip to content
What's After the Movie?
Plot summary

Deep Space (1988) Plot Summary & Timeline

Deep Space (1988) movie poster

Deep Space is a 1988 horror and sci-fi film, running 1 hour 30 minutes. This page retells the whole story in 392 words (about 2 minutes to read) and covers 14 key events in order, 10 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 Deep Space.

to read the plot summary
2 min
key events in the timeline
14
characters profiled
10
themes explained
3
Loading streaming availability…
Deep Space (1988) movie poster
Released
Runtime
1h 30m
Genres
Horror, Sci-Fi
Original language
English
No spoilers

What Is Deep Space About?

The premise of Deep Space in 225 words, with nothing given away. The full story follows below.

In a near‑future Los Angeles, a covert government project hurls an engineered creature into orbit, believing it to be a controllable weapon. When the satellite malfunctions and the payload plummets back to Earth, the city is thrust into an unsettling quiet that quickly erupts into chaos. The atmosphere is a blend of sci‑fi paranoia and classic monster dread, with the glittering skyline hiding a hidden, alien threat that awakens under the weight of its own secrecy.

The story centers on veteran police lieutenant Ian McLemore, a hardened cop whose reputation for uncanny luck precedes him. Paired with the bright‑minded but green rookie Carla Sandbourn, McLemore is forced to confront a danger that lies far beyond ordinary crime. Their partnership is a study in contrast—McLemore’s world‑worn cynicism meets Sandbourn’s fresh idealism—creating a dynamic that drives the investigation forward amid mounting unease.

Adding an odd layer of mystique, a self‑professed psychic known as Lady Elaine Wentworth reaches out, hinting at knowledge that skirts the edges of science and the supernatural. As whispers of the fallen experiment ripple through the city’s underbelly, the tone remains taut, drenched in shadowed alleys, sterile labs, and the relentless hum of a metropolis on the brink. The film promises a tense cat‑and‑mouse chase, pitting an experienced lawman against an unknown horror while the very fabric of authority and secrecy begins to fray.

Full plot

What Happens in Deep Space?

The complete story of Deep Space, from the first scene to the last, in 392 words (about 2 minutes). Spoilers throughout. Names in the text link to 8 cast member pages.

Spoilers ahead

On a U.S. military satellite project, head scientist Dr. Forsyth, James Booth, oversees a high-stakes operation. When control is lost, the team cannot prevent a crash within two hours. Upon impact, the capsule cracks open, revealing a dormant biological weapon — a sentient creature nicknamed Sentar. Forsyth informs General Randolph, Norman Burton, that the payload is a new kind of weapon; the General wants it destroyed via a remote emergency system, but Forsyth remains cautious, arguing there is little risk that it will wake. A careless disturbance by a passing couple wakes the creature and sets it loose, sending it toward Los Angeles.

Across Los Angeles, veteran police lieutenant Ian McLemore, Charles Napier, is paired with Carla Sandbourn, Ann Turkel, a newly transferred officer. Their boss, Captain Robertson, Bo Svenson, tries to steer them away from danger due to McLemore’s notorious luck. The pair are contacted by a psychic calling Lady Elaine Wentworth, Julie Newmar, who hints at knowledge of the events. McLemore and Sandbourn head to Innsmouth Road, where a double homicide is discovered with a large, organic pod at the scene and several smaller ones. They and their partner Jerry Merris, Ron Glass, decide to take two smaller pods back to the lab for study, fearing a possible cover-up.

The large pod is brought to the local forensics lab, where Dr. Rogers, Anthony Eisley, is killed by an unseen force. Testing reveals fragments of an unknown metal that don’t match anything known. When McLemore and Merris try to return, Military Police block their entry, led by a mysterious suited officer. The same man is seen leaving Robertson’s office, who soon informs them the deaths are ruled accidental despite the obvious evidence. Back home, McLemore receives another call from the psychic. Lady Elaine Wentworth claims to know more about the events.

McLemore and Sandbourn visit an entomologist they know, drilling into one pod; a creature bursts out and attacks the entomologist and Sandbourn. The creature is destroyed in a terrarium filled with gas. Merris’ pod hatches back at his house and Merris is killed; a chase follows and the second creature is killed. Lady Elaine directs them to the location of the original creature, and Sandbourn calls for backup. The final confrontation sees the creature fight McLemore; Robertson arrives, and the distraction allows McLemore to decapitate the creature with a chainsaw.

Timeline

Deep Space Timeline: Every Key Event in Order

14 key events in the order they happen, from “Satellite loss of control and impending crash” to “Final showdown and decapitation”. 14 events name a place, across 13 locations.

  1. 1

    Satellite loss of control and impending crash

    A U.S. military satellite program loses control under head scientist Forsythe. The team realizes they cannot prevent the crash within the next two hours. The satellite contains a biological weapon and a sentient creature nicknamed Sentar. Forsythe informs General Randolph about the situation.

    When:2 hours before impact Where:Satellite control facility

  2. 2

    Randolph orders destruction vs Forsythe's caution

    General Randolph orders remote destruction of the satellite's payload. Forsythe is reluctant and minimizes the risks, arguing the creature may not wake. The decision sets a tense frame for the unfolding crisis.

    When:2 hours before impact Where:Military HQ

  3. 3

    Creature awakened and released by accident

    A sleeping creature is disturbed when a couple passes by, waking it and causing its release. The couple is killed as the monster escapes from its containment. The incident marks the first moments of the nightmare to come.

    When:Minutes after impact Where:Crash site vicinity

  4. 4

    Monster runs toward Los Angeles

    The creature makes its way toward Los Angeles, unleashing terror as it moves through populated areas. The city becomes the primary target of the unknown threat. Public safety officials scramble to respond.

    When:Hours after impact Where:Los Angeles

  5. 5

    McLemore and Sandbourn introduced; Robertson’s caution

    Lieutenant Ian McLemore is introduced to Carla Sandbourn, a newly transferred officer. Their superior, Captain Robertson, tries to keep Sandbourn from partnering with him due to McLemore’s dangerous reputation. Tension between investigators and command grows.

    When:Day 0, morning Where:Los Angeles Police Department

  6. 6

    Psychic call and Innsmouth Road discovery

    McLemore receives a warning from a psychic caller but refuses to take the line. He and Merris travel to Innsmouth Road, where they uncover a double homicide and discover a large pod along with smaller ones.

    When:Evening Where:Innsmouth Road

  7. 7

    Pods seized; large pod moved to forensics

    McLemore and Merris steal two smaller pods to investigate, fearing a cover-up. The large pod is transported to the local forensics lab for analysis.

    When:Evening Where:Police Station / Forensics Lab

  8. 8

    Rogers attacked; unknown metal fragment found

    In the forensics lab, examiner Rogers is hacked to pieces by an unseen force. Forensics reports fragments of an unknown metal not matching any known material. The investigation deepens the mystery.

    When:Night Where:Forensics Lab

  9. 9

    Military cover-up and entry denial

    Military Police, led by a mysterious suited man, bar investigators from re-entering the scene. The same man is later seen leaving Robertson's office, and the deaths are ruled accidental despite evident anomalies.

    When:Late night Where:Crime scene / Police HQ

  10. 10

    Psychic Elaine Wentworth makes contact

    The psychic Lady Elaine Wentworth calls Merris' home, claiming she knows what happened the previous night. The suspicious call adds another thread to the unfolding conspiracy.

    When:Night Where:Merris' home

Show the other 4 events of Deep Space
  1. 11

    Entomologist lab encounter with pod

    Sandbourn joins McLemore as they consult an entomologist. The pod is drilled open and the creature attacks the entomologist and Sandbourn. The monster is destroyed in a gas-filled terrarium.

    When:Night Where:Entomologist's lab

  2. 12

    Merris' pod hatches; Merris slain

    McLemore recalls Merris' pod and they head to Merris' home to investigate. The pod has hatched and Merris is killed, triggering a chase as a second creature stirs into life.

    When:Night Where:Merris' home

  3. 13

    Original creature location revealed

    Elaine calls Merris' home to reveal the location of the original creature. McLemore and Sandbourn locate it, and Sandbourn calls for backup to secure the threat.

    When:Night Where:Merris' home / final location

  4. 14

    Final showdown and decapitation

    The creature fights McLemore in a tense confrontation. With distraction from Sandbourn and Robertson, McLemore gains the upper hand and decapitates the creature with a chainsaw.

    When:Night Where:Unknown LA area

Characters

Who Are the Main Characters in Deep Space?

10 characters, among them Dr. Forsyth (James Booth), General Randolph (Norman Burton) and Det. Ian McLemore (Charles Napier): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • James Booth as Dr. Forsyth (James Booth) in Deep Space

    Dr. Forsyth (James Booth)

    Played by James Booth

    Head scientist of the satellite program who initially downplays risk and argues the threat can be contained. He wrestles with ethical implications as the creature’s awakening proves more dangerous than projected.

    • 🧪 Scientist
    • 🧠 Ambitious
    • 🧭 Ethical Dilemma
  • GR

    General Randolph (Norman Burton)

    Played by Norman Burton

    Militarized authority who pushes for rapid destruction of the creature via its remote system. He treats the incident as a high-priority security crisis and clashes with researchers over acceptable risk.

    • 🛡️ Military
    • 🧭 Strategic
    • 🧬 Biosecurity
  • Charles Napier as Det. Ian McLemore (Charles Napier) in Deep Space

    Det. Ian McLemore (Charles Napier)

    Played by Charles Napier

    Veteran police lieutenant drawn into a dangerous case that suggests government concealment. He pursues leads with determination, often ignoring protocol to protect the public.

    • 🚓 Police
    • 🕵️‍♂️ Investigator
    • 🗺️ Determined
  • CS

    Carla Sandbourn (Ann Turkel)

    Played by Ann Turkel

    Newly transferred detective who partners with McLemore. She brings practical resolve to the investigation and quickly becomes involved in the escalating danger.

    • 🕵️‍♀️ Detective
    • 🧭 Ally
    • 🚨 Action
  • LE

    Lady Elaine Wentworth (Julie Newmar)

    Played by Julie Newmar

    A mysterious psychic who senses hidden knowledge about the creature’s origin. She communicates through calls and guides the detectives with cryptic insight.

    • 🔮 Psychic
    • 🗣️ Mysterious
    • 🧭 Clue-giver
  • JM

    Jerry Merris (Ron Glass)

    Played by Ron Glass

    McLemore’s partner who becomes entwined in the investigation’s dangerous trajectory. His pod encounter marks one of the early, pivotal deaths.

    • 👥 Partner
    • 🗝️ Victim
    • 🚓 Police
  • PW

    Professor Whately (Fox Harris)

    Played by Fox Harris

    Entomologist who studies the pod-like creatures and the hatching threat. His expertise makes him a key source of scientific knowledge before the danger overwhelms him.

    • 🧬 Entomologist
    • 🧪 Scientist
    • 🧠 Insight
  • DR

    Dr. Rogers (Anthony Eisley)

    Played by Anthony Eisley

    Forensic examiner who investigates the crime scenes and is violently attacked by the unknown force. His findings hint at the pods’ odd material and extraordinary threat.

    • 🧪 Forensic
    • 🧬 Investigator
    • ⚠️ Victim
  • M(

    Marylyn (Rachel Howard)

    Played by Rachel Howard

    A civilian who encounters danger during the creature’s rampage, illustrating how the threat disrupts ordinary life.

    • 👩 Civilian
    • 🛑 Victim
    • 🏙️ Everyday Fear
  • J(

    Jason (Jesse Dabson)

    Played by Jesse Dabson

    A bystander whose presence underscores the reach of the threat as the creature begins its city-wide escape.

    • 🧒 Bystander
    • 🕯️ Tension
    • 🚨 Risk
Setting

Where and When Is Deep Space Set?

Deep Space is set in Los Angeles and Innsmouth Road. Here is why the place matters to the story.

Where

Los Angeles, Innsmouth Road

The action unfolds across a dense urban landscape centered on Los Angeles. Key locations include the police precinct, the forensics lab, a suburban home, and Innsmouth Road where the first pods are found. The city serves as a fast-paced backdrop that amplifies fear as a mysterious biological threat escapes into civilian life.

  • 🗺️ City
  • 🚨 Police procedural
  • 🧪 Sci‑Fi
Themes

What Are the Themes of Deep Space?

3 ideas the story keeps returning to, among them Creature, Bioethics and Law & Order.

  1. 01

    Creature

    A sentient biological weapon drives the conflict, turning a routine satellite scramble into a city-wide hunt. The creature’s unpredictable aggression exposes flaws in containment and response protocols. The film uses the monster to explore fear, information gaps, and the fragility of safety in an urban setting.

  2. 02

    Bioethics

    The satellite-derived threat raises questions about scientific ambition versus public risk. Forsythe’s minimization of danger clashes with military and civilian concerns about consequences if the creature awakens. The narrative frames containment, experimentation, and responsibility as urgent, shared duties.

  3. 03

    Law & Order

    Police and military authorities clash with scientists as information is controlled and missions shift from investigation to survival. The pursuit of truth is hindered by cover-ups and bureaucratic inertia, until decisive action comes at a high cost. The story juxtaposes procedural grit with sudden, violent disruption at every turn.

Tone & mood

What Kind of Film Is Deep Space?

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

Tone
Tense
Pacing
Fast
Story
Straightforward
Intensity
High
Ending
Happy

A fast-paced, tense creature feature that feels like a paranoid police investigation colliding with a gruesome alien threat, creating a suspenseful and pulpy B-movie atmosphere.

  • tense
  • anxious
  • suspenseful
  • paranoid
  • pulpy
  • claustrophobic
  • alien invasion
  • government conspiracy
  • creature feature
  • police investigation

Content notes: creature violence, blood, death.

Quiz

How well do you remember Deep Space? Test yourself on the story.

Take the quiz
Loading streaming availability…
Read next

Movies Like Deep Space With a Plot Summary

6 films close to Deep Space in story and themes that have a full plot summary here: Deep Rising (1998) and DeepStar Six (1989) lead.

All plot summaries

Missing a Movie Plot Summary?

Tell us which film you want explained next: the full story, the timeline, the characters and the ending.

Request a summary
FAQ

Deep Space Plot Questions

4 quick answers about Deep Space, taken from the plot summary, character guide and setting on this page.

What is Deep Space about?

In a near‑future Los Angeles, a covert government project hurls an engineered creature into orbit, believing it to be a controllable weapon. When the satellite malfunctions and the payload plummets back to Earth, the city is thrust into an unsettling quiet that quickly erupts into chaos.

Read the full plot summary

When and where does Deep Space take place?

Deep Space is set in Los Angeles and Innsmouth Road. The action unfolds across a dense urban landscape centered on Los Angeles. Key locations include the police precinct, the forensics lab, a suburban home, and Innsmouth Road where the first pods are found.

The setting explained

Who are the main characters in Deep Space?

The story follows Dr. Forsyth (James Booth) (played by James Booth), General Randolph (Norman Burton) (played by Norman Burton), Det. Ian McLemore (Charles Napier) (played by Charles Napier) and Carla Sandbourn (Ann Turkel) (played by Ann Turkel); the character guide covers 10 characters in all.

All the characters

What are the main themes of Deep Space?

The summary picks out 3 themes: Creature, Bioethics and Law & Order.

The themes explained

Coming soon to your phone

The Plot Explained Movie Summary App

From blockbusters to hidden gems: plot summaries, endings explained and timelines on your phone. Save your favorites and never miss a twist again.

Be the first to know when it launches. Your email stays private, always. Learn more about the app