Wick Lobo and Michael Bell welcome back their partner, Kathleen Ryan, after a stress-related leave of absence. They save men from a building that exploded. Ryan makes a heroic save of a man in a downed airplane that falls down a mountain. A woman that the team has visited before dies from being shot by her boyfriend.

A new firefighter joins the team and is mercilessly pranked. Bell is upset when he loses a little girl whom he thought had a chance. The team rescues a man from a rushing river. Wick investigates a serial arsonist. Bell finds out his ex-girlfriend is marrying his brother.

Ryan almost ends up getting herself killed when she refuses to abandon a boy trapped in a shaft filling with water. Michael's father has a heart attack and Michael tries to hold the company together despite his younger brother. Megan is upset that Michael can't confide his feelings in her, and turns to an exboyfriend for comfort. Wick saves an actress from a rubber suit stuck to her skin from the heat, and gets bit by the acting bug.