Chicago Med (2015)

S1E5 Malignant (II)

A firefighter from Firehouse 51 is fighting for their life and suddenly deteriorates while the medical team works frantically to provide care. At the same time, Dr. Natalie Manning is getting ready for her upcoming pregnancy, and the Chicago P.D. investigates a woman who was rescued from a blaze. This crossover begins with Chicago Fire Season 4, Episode 10, "The Beating Heart (I)," and carries on to Chicago P.D. Season 3, Episode 10, "Now I'm God (III)."