[s3e19] — I Am The Apocalypse

(Laurie Holden): A skilled trauma surgeon. Aftermath & Relationship Beats

(Nick Gehlfuss): Jay Halstead’s brother, a brash plastic surgeon. [S3E19] I Am The Apocalypse

In the wake of the trauma, Dawson and Casey share a romantic reconciliation at Molly’s, though the stability of their relationship remains a lingering question. (Laurie Holden): A skilled trauma surgeon

A patient enters the ER claiming to carry a deadly airborne virus (revealed later as Marburg) and detonates a grenade . [S3E19] I Am The Apocalypse

The episode begins with Firehouse 51 responding to a massive at an industrial factory. After rescuing dozens of victims suffering from respiratory distress, the team transports them to Chicago Med . While at the hospital, the situation spirals into chaos:

(Oliver Platt): Chief of Psychiatry, whose first meeting with Chief Boden is a fan-favorite moment.