Lieutenant Kelly Severide is critically injured in the blast while trying to stop the attacker. He spends much of the hour in surgery, experiencing visions of his late friend Shay while Dr. Hannah Tramble (Laurie Holden) fights to save him. Major Introductions & Arcs
(Yaya DaCosta): An ER nurse with a past connection to Severide. [S3E19] I Am The Apocalypse
Hospital administrator Sharon Goodwin (S. Epatha Merkerson) places the facility under immediate quarantine, trapping members of 51 inside with a potential biohazard and an active electrical fire in the ceiling. Lieutenant Kelly Severide is critically injured in the
Testing eventually proves the virus is not contagious, allowing the quarantine to be lifted. Major Introductions & Arcs (Yaya DaCosta): An ER
The episode "[S3E19] I Am the Apocalypse" serves as the high-stakes backdoor pilot for Chicago Med . First airing on April 7, 2015, it masterfully transitions from a standard rescue mission to a terrifying medical siege. Plot Summary
(Nick Gehlfuss): Jay Halstead’s brother, a brash plastic surgeon.