Story Structure — 5 Plot Phases
The Failed Cure
Sam's baboon receives an experimental drug intended to reduce aggression, but the treatment instead leaves Shakma violently uncontrollable. Sam refuses to euthanize the animal, allowing the danger to remain.
Key Events
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Experimental Injection — Shakma receives an experimental drug intended to inhibit aggression. Characters: Sam, Shakma
Location: Medical laboratory
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Shakma Awakens Violent — The drug fails, and Shakma awakens in a berserk state. Characters: Sam, Shakma
Location: Medical laboratory
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Euthanasia Refused — Sam cannot euthanize Shakma and leaves him unconscious. Characters: Sam, Shakma
Location: Medical laboratory
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Necropsy Delayed — Richard is stopped from cremating Shakma, who remains alive. Characters: Sam, Richard, Shakma
Location: Medical laboratory
The Locked Game
Students begin a live-action game inside the medical building, with Kim positioned on the top floor. The building is sealed, the fire alarms are disabled, and escape becomes impossible.
Key Events
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The Floor Game Begins — The students begin a game requiring them to reach Kim upstairs. Characters: Sam, Gary, Bradley, Richard, Tracy, Kim
Location: Medical building
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Building Sealed — The fire alarms are disabled and the offices are locked. Characters: Sam, Gary, Bradley, Richard, Tracy, Kim
Location: Medical building
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Bradley Enters Specimen Room — Bradley enters the specimen room and encounters Shakma. Characters: Bradley, Shakma
Location: Fifth-floor specimen room
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Bradley Is Killed — Shakma kills Bradley, creating the game's first fatality. Characters: Bradley, Shakma
Location: Fifth-floor specimen room
Blood on the Fifth Floor
Bradley enters the specimen room and is killed by Shakma. Richard investigates the disappearance and suffers the same fate, revealing that the game has become a real hunt.
Key Events
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Richard Investigates — Richard investigates Bradley's disappearance and is attacked. Characters: Richard, Shakma
Location: Fifth-floor specimen room
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Richard's Body Found — Richard's mutilated body is discovered after the attack. Characters: Richard, Shakma
Location: Fifth-floor specimen room
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Sam Attempts Taming — Sam unsuccessfully attempts to tame Shakma before fleeing with Tracy. Characters: Sam, Shakma, Tracy
Location: Fifth-floor specimen room
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Strobe Light Retrieved — Tracy retrieves a strobe light to disrupt Shakma's attacks. Characters: Sam, Tracy, Shakma
Location: Electricity laboratory
The Failing Escape
Tracy obtains a strobe light and works with Sam to resist Shakma and recover Richard's body. Gary's elevator death gives Shakma access to the sixth floor, where Tracy is killed.
Key Events
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Specimen Room Escape — Tracy distracts Shakma while Sam tries to recover Richard's body. Characters: Sam, Tracy, Shakma, Richard
Location: Fifth-floor specimen room
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Gary Uses Elevator — Gary is killed in the elevator, giving Shakma access to the sixth floor. Characters: Gary, Shakma
Location: Elevator
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Tracy Dies Upstairs — Shakma kills Tracy in the restroom during the escape. Characters: Sam, Tracy, Shakma
Location: Sixth-floor restroom
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Sam Warns Kim — Sam warns Kim and arms himself with a kitchen knife. Characters: Sam, Kim
Location: Top floor
Fire and Final Victory
Sam warns Kim, but outside help fails and Kim is killed while searching for Richard. Mortally wounded, Sam finally lures Shakma into the incinerator before collapsing and dying.
Key Events
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Laura Drives Away — Laura leaves before Sam can obtain outside help. Characters: Sam, Kim, Laura
Location: Building exterior
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Kim Searches for Richard — Kim leaves a note and searches for Richard, finding his body. Characters: Kim, Richard, Shakma
Location: Medical building
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Kim Is Killed — Shakma kills Kim after she discovers Richard's body. Characters: Kim, Richard, Shakma
Location: Medical building
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Electrocution Trap Fails — Sam prepares an electrical trap, but Shakma avoids it and mortally injures him. Characters: Sam, Shakma
Location: Medical building
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Incinerator Kill — Sam lures Shakma into the incinerator and burns him to death. Characters: Sam, Shakma
Location: Incinerator room
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Sam's Final Declaration — Sam collapses, declares victory to a monkey doll, and dies. Characters: Sam
Location: Building hallway