
Bode Donovan, a young convict seeking redemption, joins an unconventional prison release firefighting program in Northern California, where he and other inmates are partnered with elite firefighters to extinguish massive, unpredictable wildfires. It's a high-risk, high-reward assignment, and the heat is turned up when Bode is assigned to the program in his rural hometown, where he was once a golden all-American son until his troubles began. Five years ago, Bode burned down everything in his life, leaving town with a big secret. Now he's back, with the rap sheet of a criminal and the audacity to believe in a chance for redemption.

As Edgewater celebrates its annual Founders' Day festival, a catastrophic sinkhole opens beneath Main Street, trapping residents underground and forcing Station 42 into a high-stakes rescue; a mysterious former firefighter arrives in Edgewater.

When a fast-moving wildfire threatens Edgewater, Station 42 and Three Rock battle increasingly dangerous conditions in an effort to contain the blaze; Sharon helps uncover a critical lead in an active investigation.