Chandra Michaels

Dr Manning rushes to treat a boy with a life-threatening strain of flu; April is suspicious that Dr Choi's sister has been taking opioid painkillers; Dr Rhodes and Dr Bekker can't agree on the best treatment for a pregnant cardiac patient.

Herrmann is tasked with fulfilling a man's dying wish; Kidd reflects on her Girls on Fire programme after one of her students graduates from the Fire Academy; a heckler harasses Firehouse 51.

Patterson steps in as chief, and Dawson becomes a target of the conspiracy. Also, an act of violence changes Firehouse 51 forever.

Dr Reynolds and Dr Malvo have a heart-to-heart with Dr Baptiste; Max learns more about Sharpe when someone from her past resurfaces; Iggy plays referee between two patients and their families; Dr Wilder reconsiders Max's offer to join the staff.

The Carringtons are under suspicion when it's revealed that Matthew's death potentially involved foul play. Cristal is devastated by the loss, and receives assistance from an unexpected source.