Severide and Violet risk clashing with Paramedic Chief Robinson after Lennox makes a dangerous decision on a call.
Ripley and Charles treat a high-risk prisoner who may have dementia.
An infection threatens Crockett's risky liver transplant. Maggie and Charles help a struggling burn unit nurse. Goodwin is forced to make a tough decision about Bert's future.
Maggie's budding romance takes flight. After a woman's shocking suicide attempt, Charles searches for answers. Hannah works to diagnose a patient who's new to the city and appears with mysterious symptoms.
Ripley and Charles treat members of a cult. Zola's suspension takes an unexpected toll on Crockett. Dr. Abrams' 5-month-old son lands in the E.D. under questionable circumstances.