A judge ends up a real-life casualty when he takes part in a reenactment of a famous historic duel. Goren and Eames question the victim's opponent, whose wife is running for mayor of New York City.

Eames re-opens the case into her husband's murder.

A gossip columnist who used his insider knowledge to feed his habit is murdered, which leaves Wheeler and Logan to work through a list of suspects that grows longer the more they probe his life.

A Sri Lankan Tamil activist survives an assassination attempt at JFK when she returns from her house arrest in Sri Lanka. When members of her close circle are also targeted, the investigation puts Logan and Wheeler on the trail of a Canadian gun-for-hire in a race to catch the killer before it's too late.