The first responders race to rescue victims trapped in various tight spots. Meanwhile, Athena contemplates accepting a promotion that will take her out of the field, and Maddie decides to make a move of her own. Then, Buck wonders if he should move on, and Chimney finally deals with the aftermath of his near fatal car crash. Also, Eddie turns to the crew for help with his young son.
Fast-paced exploration into the high-pressure experiences of police, paramedics and firefighters who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives.