S1, E10: At Least It's Justice. Halstead's badge is revoked when Lonnie Rodiger is found dead, Severide (Taylor Kinney) and Clarke (Peter Mills) find Dr. Elliot's torso, Sumner (Sydney Tamiia Poitier) tries to prove herself, Lindsay shares a moment with Severide.
Starring Taylor Kinney, Sydney Poitier, Amy Morton