Danny and Jackie investigate the cut-throat world of fashion after Linda's runway model niece and a reporter are poisoned at a fashion show.

Frank is put on the spot when a supporter for the mayor is found dead and the mayor wants Frank to position it as a random act of violence to the public. Meanwhile, Jamie goes on his first undercover assignment at a bar where meets and bonds with a suspicious patron.

When Erin's informant is murdered, she blames herself and works to help Danny discover who killed him.

A woman recants a domestic-abuse claim, but Danny and Jackie continue to investigate the situation. Soon they uncover the woman's secret affair with a powerful politician who's friends with Frank. Meanwhile, Linda returns to the workforce, causing chaos at home.