When the drug-addict daughter of a politician survives a hit by pretending to be dead, Goren and Eames discover a web of lies that takes them to City Hall.
Holmes is given only 16 hours to find the killer of another man's son. A man takes hostages, including Joan, and demands Holmes finds the killer of he'll execute them.
Finch intends to destroy Samaritan by entering a highly guarded government facility, but he is in danger of destroying The Machine and himself.
Mac and the team infiltrate a hotel used as a hideout for criminals and find a woman with vital information on Codex.
Goren and Eames investigate a psychologist and her family after a musician romantically linked to the doctor is murdered.