Matthew Rauch

Jamie and Renzulli are injured by a church's security team when they respond to a 911 call, and Frank must deal with the political fallout from the incident.

When a person of interest is poisoned, Finch and Reese have only 24 hours to identify the toxin and find the person responsible; Detective Fusco's past catches up to him.

When Atwater goes undercover in a dangerous South Side drug syndicate, he learns there may be more to its kingpin than meets the eye.

After seeing a man shoot and kill a robber trying to steal from his family, the Reagans debate how far they would go to protect their kin.

Erin's trial against a human trafficker is jeopardised when the presiding judge is found dead. Mayor Dutton opposes Frank's public safety initiative, but a plan is devised to bypass the mayor's veto.

Jamie's career hangs in the balance when he shoots an armed man in a tourist spot, leading Danny to conduct an investigation into the gunman.