Story Structure — 4 Plot Phases
The Fatal Decoy
A bomb technician finds and disarms an apparent device during a hostage crisis. His suspicion that it was too easy proves justified when a real bomb destroys the house.
Key Events
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Senator Held Hostage — A SWAT team responds to a hostage crisis at a senator's house.
Location: Senator's house
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Basement Bomb Found — A bomb technician finds an explosive device in the basement.
Location: Basement of the senator's house
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Decoy Bomb Disarmed — The technician disarms the device but suspects it was intended to mislead him.
Location: Basement of the senator's house
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House Bomb Detonates — The actual bomb explodes, killing everyone inside.
Location: Senator's house
A Trail of Explosives
A year later, a warehouse investigation leaves one officer wounded and a woman in custody. An explosive bracelet, a bombing threat, and clues from a jazz club reveal a widening campaign.
Key Events
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Drug Arrest in San Francisco — Two narcotics officers arrest a suspect on drug charges.
Location: San Francisco
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Warehouse Investigation — The officers investigate people entering a warehouse late at night.
Location: Warehouse
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Officer Shot — A bombers' leader shoots one officer before fleeing with two accomplices.
Location: Warehouse
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Bracelet Explosive Identified — An arrested woman refuses to identify the fleeing men; her bracelet is found to contain explosives.
Location: Bomb squad
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Bar Bombing Threat — The bomber leader demands the woman's release and bombs a bar when police refuse.
Location: Police department and bar
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Clues at Jazz Club — A cigarette and matchbook lead investigators to a jazz club, where they kill a bomber and disarm his device.
Location: Warehouse and jazz club
The Bombers Escalate
The captured woman provides information, while a bomber's plans shift amid distrust within the group. Further attacks demonstrate that the threat continues despite police intervention.
Key Events
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Captured Woman Cooperates — The arrested woman identifies two bombers and says she expects to be killed for being caught.
Location: Police custody
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Pay Phone Bombings — A bomber changes plans after an accomplice hesitates; the leader later detonates more bombs by phone.
Location: Police station and city streets
The Mastermind Revealed
Police release the woman with a tracking device, but she disables it and appears to turn against the bomber leader. A televised view of City Hall helps investigators recognize the larger deception and race to stop the final attack.
Key Events
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Release and Tracking Device — Police release the captured woman in hopes of preventing another bombing and place a tracker on her.
Location: Police custody
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Tracker Disabled — The woman reunites with the bomber leader, disables the tracker, and discusses their planned attack.
Location: Meeting place
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Car Bomb Reversal — The woman activates a bomb that explodes in the leader's car, making investigators believe both are dead.
Location: City street
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City Hall Realization — A television image of City Hall prompts an officer to realize the woman was the mastermind.
Location: Police station
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Decoy in the Basement — An officer follows radio instructions to disarm a bomb, only to discover it is a decoy.
Location: City Hall basement
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Rooftop Bomb Disarmed — The bomb technician disarms the real device on the roof.
Location: City Hall roof