A vegetation fire gets complicated for the crew when a panicked horse refuses to evacuate a burning barn. Meanwhile, Vince's brother Luke, the Cal Fire communications director, makes a surprise visit in town.

After a hiker falls from a steep cliff, Bode and Jake put aside their differences to make a daring rescue. Also, Sharon reveals devastating news to Bode.

Vince's judgment is compromised when a harrowing rescue of two siblings triggers emotional memories of the night his daughter died in a car accident.

A former inmate firefighter harboring a grudge against Sharon returns to carry out his revenge.

The station 42 and third rock crews respond to a deadly explosion at an abandoned mine. Meanwhile, Bode faces a difficult decision that could have serious consequences

The station 42 and Three Rock crews face a daring rescue when a massive mudslide tears through Edgewater. Meanwhile, Bode's freedom is on the line at his parole hearing.