Story Structure — 4 Plot Phases
Research Under Pressure
Walter assists Irwin with animal experiments and faces criticism over his data and report. Escaping rats and an unusually forceful bite hint at danger in the laboratory.
Key Events
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Laboratory Enzyme Research — Irwin and Walter test a substrate in animal experiments. Characters: Walter, Professor Irwin
Location: Laboratory
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Irwin Questions the Data — Irwin questions Walter about the data and a darker-looking sample. Characters: Walter, Professor Irwin
Location: Laboratory
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The Illegible Report — Irwin criticizes Walter's report; Walter promises to prepare the numbers. Characters: Walter, Professor Irwin
Location: Laboratory
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Rats Escape Their Crate — Walter admits rats have repeatedly escaped after a crate was knocked over. Characters: Walter, Professor Irwin
Location: Laboratory
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A Rat Bites Walter — A rat bites through Walter's glove during an experiment. Characters: Walter
Location: Laboratory
An Unexplained Change
Funding has run out, leaving the research in an isolated facility. Walter and Irwin find that an experimental subject's weight has risen dramatically, but cannot explain why.
Key Events
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A Rat Bites Walter — A rat bites through Walter's glove during an experiment. Characters: Walter
Location: Laboratory
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Funding Runs Out — The research loses funding and is left in an isolated facility. Characters: Walter, Professor Irwin
Location: Isolated laboratory
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Experimental Weight Surge — Walter finds an experimental subject's weight has risen dramatically. Characters: Walter, Professor Irwin
Location: Laboratory
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Monitoring the Subject — Unable to explain the change, they discuss monitoring the subject. Characters: Walter, Professor Irwin
Location: Laboratory
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Friends Arrive — Walter's friends arrive at the laboratory. Characters: Walter, Alicia, Gary, Frank, Chelsea, Burke
Location: Laboratory
The Escape and Its Cost
Walter's friends arrive and discover a damaged cage and another escaped test animal. Rat attacks kill Chelsea, while Burke goes missing and the remaining group searches for safety.
Key Events
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Friends Arrive — Walter's friends arrive at the laboratory. Characters: Walter, Alicia, Gary, Frank, Chelsea, Burke
Location: Laboratory
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Damaged Cage Found — The group finds a damaged cage and learns another test animal escaped. Characters: Walter, Alicia, Gary, Frank, Chelsea, Burke
Location: Laboratory
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Walter Warns the Group — Walter warns them not to touch the aggressive escaped animal. Characters: Walter, Alicia, Gary, Frank, Chelsea, Burke
Location: Laboratory
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Chelsea Is Killed — Rat attacks kill Chelsea as the group searches for safety. Characters: Walter, Alicia, Gary, Frank, Chelsea
Location: Laboratory
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Burke Goes Missing — Burke is missing, and the survivors fear he may be dead. Characters: Walter, Alicia, Gary, Frank, Burke
Location: Laboratory
The Alarm's Effect
With the phone line dead and help uncertain, Walter and Alicia disagree about whether to wait or act. Walter reaches the fire alarm; its sound sends the rats into a frenzy, prompting him to suspect a connection with the experimental equipment.
Key Events
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Burke Goes Missing — Burke is missing, and the survivors fear he may be dead. Characters: Walter, Alicia, Gary, Frank, Burke
Location: Laboratory
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No Reliable Way to Call — The phone line is dead, and a cell phone is in a van. Characters: Walter, Alicia, Gary, Frank
Location: Laboratory
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Wait or Risk the Exit — Alicia favors waiting; Walter notes help may not return until Monday. Characters: Walter, Alicia, Gary, Frank
Location: Laboratory
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Walter Reaches the Alarm — Walter leaves Alicia and reaches a fire alarm above an elevator shaft. Characters: Walter, Alicia
Location: Elevator shaft
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Alarm Disrupts the Rats — The alarm makes the rats frantic, and they attack one another. Characters: Walter, Alicia, Gary, Frank
Location: Laboratory
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Walter Suspects a Cause — Walter suspects the alarm sound interacts with experimental electrical equipment. Characters: Walter, Alicia, Gary, Frank
Location: Laboratory