David A. MacDonald

Following the gutsy firefighters, rescue squads and paramedics of Firehouse 51. No field is more dangerous yet so exhilarating, but the personal lives of these men and women provide close competition.

Conrad and Cade work with a Medicare patient who sheds some light on the inner workings of the prescription fraud situation; Leela works herself to the brink of exhaustion to avoid having a conversation with Devon.

When Conrad confronts a pharmacy owner about fraudulent prescriptions being filled under his name, the situation takes a dangerous turn; the ER is sent into chaos when a street racing accident results in multiple severe injuries.

Devon treats his first patient with a revolutionary medical fluid that doesn't go as planned; an overdosed John Doe is rushed to Chastain, leading Conrad straight into a much bigger scandal than he expected.

On Colvin's orders, Wysocki and Evers try to track down a drug dealer. As the detectives chase their leads, an unexpectedly elaborate case unfolds.

While the group searches for something to advance their quest, one of them recalls their struggles in the early days of the apocalypse. A game of truth or dare brings emotions to the surface.