(Nick Gehlfuss): Jay Halstead’s brother, a brash plastic surgeon.
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
Testing eventually proves the virus is not contagious, allowing the quarantine to be lifted. [S3E19] I Am The Apocalypse
(Laurie Holden): A skilled trauma surgeon. Aftermath & Relationship Beats
Severide survives his surgeries but is shaken by the near-death experience. (Nick Gehlfuss): Jay Halstead’s brother, a brash plastic
A patient enters the ER claiming to carry a deadly airborne virus (revealed later as Marburg) and detonates a grenade .
(Oliver Platt): Chief of Psychiatry, whose first meeting with Chief Boden is a fan-favorite moment. Plot Summary Testing eventually proves the virus is
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