Story Structure — 5 Plot Phases
The Casino Blast
A casino bombing kills three people and injures dozens. Sara documents the blast and suspects the attack may have been controlled.
Key Events
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Casino Bomb Explodes — A bomb explodes after a gambler asks a croupier for change, killing three and injuring dozens.
Location: Las Vegas casino
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Blast Site Documented — Sara helps lead the investigation and documents the blast site while searching for bomb components. Characters: Sara Sidle
Location: Casino blast site
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Controlled Attack Suspected — Sara questions why the bomber did not cause more casualties and suspects someone controlled the attack. Characters: Sara Sidle
Location: Crime scene
Heather Under Suspicion
Evidence links Heather's gold logo to the bomber's vest, and a second threat emerges. Heather denies directing the attacks and suggests she is being framed.
Key Events
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Second Threat Surfaces — Evidence of another explosion emerges, and Heather's gold logo appears on a fragment from the first bomber's vest. Characters: Sara Sidle, Lady Heather
Location: Investigation sites
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Heather's Role Debated — Sara considers whether Heather directed the female bomber; Heather denies masterminding the attacks. Characters: Sara Sidle, Lady Heather
Location: Investigation
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Heather Suspects a Frame-Up — Heather says someone, possibly a former client, may be framing her. Characters: Lady Heather
Location: Investigation interview
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Gold Key List Provided — Heather provides investigators with a list of thirteen members of her Gold Key group. Characters: Lady Heather
Location: Investigation interview
Leads and Human Cost
Investigators pursue Gold Key members, but DNA testing yields no match. The attacks' toll is made personal when two girls learn their mother has died.
Key Events
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DNA Produces No Match — Investigators narrow the list to five men, but DNA from Heather's home matches none of them.
Location: Forensic laboratory
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Victims' Family Is Informed — Catherine tells Maria and Helena that their mother has died and shares their mother's words of pride.
Location: Unspecified
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Hidden Fingerprint Found — The team pursues a lead involving a fingerprint concealed in a swirl image.
Location: Investigation site
The High-Elevation Lead
A concealed fingerprint and a search using trained bees provide new investigative leads. A hit on Mount Charleston helps connect a suspect to a Gold Key lead.
Key Events
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Bees Search High Elevations — Grissom and Catherine use trained bees to test high-elevation areas for signs of human presence.
Location: High-elevation search area
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Mount Charleston Hit — The search produces a hit on Mount Charleston, helping connect a suspect to a Gold Key lead.
Location: Mount Charleston
The Garage Countdown
The team investigates a residence linked to the bomber, but finds the apartment clear. Explosives in the occupied parking garage are on synchronized timers, and the account ends before the outcome is revealed.
Key Events
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Residence Identified — The team identifies a residence linked to the bomber and rushes to investigate.
Location: Residence linked to the bomber
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Apartment Cleared — The apartment is clear, but suspicious activity in the parking garage reveals a greater danger.
Location: Bomber-linked apartment
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Garage Bombs Countdown — Explosives across the occupied garage have synchronized timers with less than five minutes remaining; officers warn dispatch.
Location: Occupied parking garage