Cindy Chang

Lt Severide is targeted by an arsonist, Battalion Chief Boden clashes with Gail McLeod on the anniversary of Andy's death, Shay has suspicions, and Mari visits Mouch.

A call comes in from the Cook County Jail, the squad encounter a volatile predicament and are tasked with trying to defuse an escalating situation.

Stabler and Officer Bashir track down a missing father and son who could lead to the answers they need, Bell relegates Reyes to desk duty after an undercover operation goes sideways, and Stabler reunites with his younger brother.