Anthony Irons

Dr. Charles and April team up to take on a mysterious patient in the ED; Dr. Halstead is forced to make a life-or-death decision for one of his trial patients; Dr. Marcel is confronted by his past when a former acquaintance is brought into the ED.

Dr. Halstead finds continued success in his trial; Dr. Charles' daughter, Anna, receives life-changing news; Noah finds himself in a situation not even April can fix.

Severide returns from Las Vegas with a life-changing secret to share. Plus, the crew make a disturbing discovery at the scene of a fire.

Halstead runs into trouble when one of his trial patients falls ill; his own stress and symptoms have Choi struggling to get through the day.

Cookie and Lucious push to get back in the music game. Andre finds a risky way to make a name for himself among his fellow inmates.

Lucious must play nice with Jeff Kingsley to get girl group TBD back on the map. Jamal grows frustrated with Cookie when she tries to steal his artist, and Andre works with the mother of one of his old inmates to help free her innocent son.