Tory O. Davis

With Lincoln's execution scheduled for the following day, Veronica reaches out to him and gains a newsworthy ally in the process. Meanwhile, Michael must find a way to get Lincoln out of solitary confinement and the inmates risk everything as they attempt the escape of their lives.

Under the Knife. Severide (Taylor Kinney) faces the consequences of his injury -- and an uncertain future.

It Wasn't Enough. It Wasn't Enough. With most of the squad still trapped inside the burning warehouse fire, Chief Boden makes a risky last minute decision in an effort to save his men.

Special Agent Cuyler (Adam Arkin) comes to see Superintendent Colvin; Jarek tries to address his family issues; the case against Chicago's kingpin of corruption comes to an end.