Episode 1

No job is more stressful, dangerous or exhilarating than those of the Firefighters, Rescue Squad and Paramedics of Chicago Firehouse 51. These are the courageous men and women who forge headfirst into danger when everyone else is running the other way and whose actions make the difference between life and death. These are their stories.

Memory of a Killer is a dramatic thriller about a hitman who develops early onset Alzheimer's. Angelo lives a double life as an assassin and a family man - which all worked out well until he was hit with early onset Alzheimer's. Now his worlds are colliding, putting his family in danger.

Old friends JD and Turk scrub in together for the first time in a long time, learning that medicine has changed; interns have changed; but their bromance has stood the test of time.

High Potential follows Morgan, a single mom with an exceptional mind, whose unconventional knack for solving crimes leads to an unusual and unstoppable partnership with a by-the-book seasoned detective.

9-1-1 is a fast-paced exploration into the lives and careers of first responders – cops, paramedics, firefighters – the people who put their lives on the line to save others.