DuShon Monique Brown

As racial tensions simmer inside the prison and Veronica digs into Lincoln's case, Michael tries to get a drug that will help him test positive for diabetes, and to secure a large bolt he can use in his escape plan.

A Heavy Weight. Firehouse 51 struggles in the wake of a recent tragedy.

Kellerman and Hale pay a visit to Warden Pope, whose past may not be as angelic as it appears. Meanwhile, Michael learns he may be getting out of Fox River much sooner than he expected – without Lincoln. Outside the walls, Veronica and Nick's investigation to prove Lincoln's innocence gives her doubts of her own.

One More Shot. Change is on the horizon at 51, but forgetting the past can be hard.

Until Your Feet Leave the Ground. Away from the action, new bonds form and old ones strengthen.

Keep Your Mouth Shut. Despite his frustration, Severide remains hopeful that justice will be served.