In the aftermath of the Zabel Ridge fire, Station 42 faces internal turmoil but must rally together for a high-stakes rescue that tests their strength, loyalty and the future of the firehouse.

Station 42 faces a high-stakes wildfire situation that tests their unity, leadership and personal resilience; the new battalion chief is on site, but he has a polarizing leadership style that gets under everyone's skin.

The Station 42 team responds to a dangerous zipline accident that escalates into a wildfire due to illegal fireworks; Sharon struggles with letting go of Vince's belongings and unexpectedly finds comfort in Vince's ex, Renee.

When Station 42 responds to a call for a rescue at a grain silo, Manny and Jake butt heads over differing approaches. Manny has a serious conversation with Bode about a troubling discovery.

The team responds to a dangerous fire at the local drive-in movie theater where they must enlist civilians to help stop the spread; Bode and Sharon wrestle with the weight of holding secrets from each other.

Station 42 responds to a dangerous fire at a beloved local smokehouse where Jake is forced to confront memories of his late father and the place they once shared.

Sharon is blindsided by a visit from her estranged mother, Ruby, whose sudden reappearance stirs up painful family history. Meanwhile, Bode and Jake respond to a call from a troubled teen in a condemned building.

Bode participates in a high school drunk-driving drill that unexpectedly reconnects him with a former classmate, Chloe. Meanwhile, Three Rock reopens with a new crew and high hopes.

When a red flag warning sets the stage for a volatile day, a turf war between Station 42 and neighboring Drake County comes to a head.

As a massive wildfire pushes station 49 to their limits, tough calls on the front lines spark even tougher questions back at headquarters.

As Bode fights to prove himself during the high-stakes REMs tryouts, a shocking leak about the Zabel Ridge arsonist ignites turmoil across Edgewater.

As Station 42 battles through a relentless shift, the unexpected return of Battalion Chief Brett Richards throws the crew off balance and forces Manny to confront his growing self-doubt.