Lily C.A.T.

Lily C.A.T.

Year: 1987

Runtime: 67 mins

Language: Japanese

Director: Hisayuki Toriumi

HorrorAnimation

The crew of an interplanetary starship fights for survival after an alien force takes control of their craft.

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Lily C.A.T. (1987) – Full Plot Summary & Ending Explained

Read the complete plot breakdown of Lily C.A.T. (1987), including all key story events, major twists, and the ending explained in detail. Discover what really happened—and what it all means.

In the 23rd century, corporate powers scour distant worlds for mining rights, and the Syncam Corporation funds ambitious surveys to unlock new resources. To carry out this mission, the deep-space cruiser Saldes is dispatched to a relatively new planet, carrying a diverse crew of scientists, surveyors, and pilots who will operate under the watchful eye of a seasoned, world-weary captain. At the helm is Mike Hamilton, a man whose long experience at the controls has taught him to read the stars and the people aboard his ship with the same attention to detail. The crew and passengers include Dülar Delcassé, a capable and steadfast officer; Carolyn, a poised member of the research team; Morgan Scott, a forward-thinking supervisor; Nancy Strauch, whose role on the mission is as much personal as professional; Jiro Takagi, a quiet medical student who carries a difficult past; and Dick Berry, a detective by training who is quick to assess people and situations. The surveyors also include Syncam Personnel Manager and others, while the ship’s crew includes a few technicians like Guy Alcuin and the ship’s resident cat handler, with Lily the cat aboard as a silent witness to events. The ship’s computer and other onboard systems, including a number of custom robots, are designed to keep the crew safe and the mission on track. The cat Lily, though not a central character in the human drama, adds an odd sense of companionship to the long voyage.

As the voyage unfolds, the Saldes travels through a quiet darkness where the crew can let their guard down and the hyper-sleep stasis provides a rare period of rest. The passengers are given the option to enter hypersleep for twenty years, a choice that means they will biologically age only a month while the ship travels across the void. But the journey takes a dangerous turn when the ship’s computer detects debris streaking past the hull and collects a sample from the fragment. That encounter allows an extraterrestrial entity to slip into the ship, quietly loosening its hold while the crew remains in cryogenic slumber.

Emerging from their long rest, the survivors discover that two of the surveyors are impostors, and a far more alarming threat quickly surfaces: Morgan is found dead from a mysterious infection that begins to dissolve the body, leaving clothes intact as a disturbing clue to the killer’s form. What begins as a puzzling death escalates into a terrifying crisis as Dr. Mead, Lily, Guy, and Watts perish from a similar infection, and the ship’s systems fall under the influence of a hostile force. The early deaths emphasize a relentless threat, and the mysterious infection quickly reveals itself as capable of evolving into a life-form that can mimic human victims, slipping into the fabric of the crew.

The crisis intensifies when the infection reaches the sickbay and the ship’s defenses become compromised. Wat Tyler and Dülar Delcassé fall to the creeping menace, and the ship’s controls are suddenly overridden by the same intruder. In the tense moments that follow, Mike Hamilton and Jiro Takagi uncover a shocking truth: the impostors are not merely human frauds, but a more complex deception tied to the ship and its mission. Jiro discloses the disturbing backstory that led him to murder drug dealers who harmed his sister, a revelation that complicates Berry’s pursuit of justice and the ship’s fragile sense of order. The detective Dick Berry discovers that his old investigation line is now entangled with the impossibility of prosecuting crimes from decades past—an irony that weighs heavily on the crew as they fight for survival.

As the truth comes to light, Hamilton shares a devastating personal history that reshapes how the crew views time and home. He is already two hundred and forty years old due to centuries of cryogenic suspension on long space missions; Carolyn is about one hundred forty-one, and the rest of the crew fall within a broad arc of age from roughly one hundred fifty to two hundred. His experiences reveal that returning home after such missions means facing a world that has moved on without you, where loved ones have aged, friends have died, and he himself has become an “old fossil” in the eyes of a society he can no longer relate to. The revelation explains his insistence on returning to space rather than trying to rebuild a life on a planet he no longer recognizes. The emotional weight of his confession adds a poignant layer to the immediate crisis as the crew grapples with the reality that survival may demand sacrifices that echo far beyond the ship.

Against this backdrop, the group must confront the bacterial threat directly. The cluster of survivors fights to contain the infection, and the conflict escalates when Berry’s shotgun recoil injures him and the experimental battle equipment like flamethrowers become necessary tools. In a brutal sequence, both Jimmy Mengel and Carolyn fall to the advancing life-form, leaving Hamilton to push forward with a grim resolve. The crisis culminates when Hamilton uncovers a startling countermeasure: a robotic replica of Nancy’s cat, known as the Master or Lily-C.A.T., designed to control the ship. The revelation is a turning point, as Hamilton realizes that Syncam’s involvement goes beyond mere study of the bacteria; the corporation’s motive is to pursue knowledge at any cost, regardless of the human cost.

As the tension peaks, Nancy Strauch’s secret motive comes to light. She confesses that her true aim was to retain youth and beauty for herself when she returns to Earth, a motive that feeds the ship’s moral conflict and human resentment, especially from Berry who sees the mission as compromised by personal vanity. With the truth exposed and the danger pressing in on all sides, the remaining survivors—Hamilton, Jiro, Nancy, and Berry—make a desperate push toward the main bridge. The crew’s struggle ends in tragedy when Dick Berry dies from the infection, and Jiro Takagi nearly succumbs to despair. In a final act of defiance, Hamilton reveals a stored shuttle and detonates a controlled hydrogen release to destroy the ship from within, a desperate gambit intended to burn away the invasive threat. Jiro and Nancy manage to escape to the planet below, while the bacterial menace is burned up in the atmosphere, ending the terror as the Saldes’s final destruction reverberates through the void.

Throughout the ordeal, the human elements—ambition, fear, loyalty, and the longing for home—intertwine with the cold logic of corporate interest and the unforgiving vastness of space. The story remains a tense, character-driven survival tale that uses the claustrophobic environment of a crippled ship to examine loyalty under pressure, the cost of time and memory, and the lengths to which people will go when the only option is to fight or be consumed by the unknown.

Last Updated: October 09, 2025 at 14:37

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Lily C.A.T. Timeline

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Lily C.A.T. Timeline

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Characters, Settings & Themes in Lily C.A.T.

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