Sammy A. Publes

A failed rescue attempt deeply affects the men and women of Firehouse 51; Dawson and Shay deal with a drug-user's erratic behaviour during a call, and the team upset local drug dealers.

Teresa Colvin, the city's first female superintendent, petitions for a corruption task force to investigate an entrepreneur-turned-politician; Colvin's ex-partner, Jarek, investigates a suspicious murder with his new partner, Caleb.

Tia's campaign for alderman is in jeopardy after it is revealed that Jira is her daughter and she gave her up for adoption. Meanwhile, to help indict Paul, Daniel tries to find the anonymous sender of the security tape.