After some tense and traumatic experiences, the firefighters get a visit from a psychologist .

Vic rallies the crew to pose for a calendar photo shoot that will support a good cause. Meanwhile, Emmett comes clean to Ben and Sullivan, and shows Andy a softer side.

In the wake of national outcry after the tragic murder of an unarmed Black man, Maya brings in Dr. Diane Lewis to grief counsel the team.

Diane returns to help with Crisis One intervention training for Station 19 and Station 23 firefighters. Meanwhile, Andy and Sullivan continue to be at odds, and Jack helps a young autistic man on a city bus.

Station 19 and Station 23 each attempt to celebrate Thanksgiving following the fallout from the neighborhood explosion. The firefighters come together to cook, toast to loved ones they have lost, and celebrate the families they have become.

Travis and Theo face danger while responding to an emergency at a haunted house. Ben continues his fight for Baby Pru; Vic opens up to Andy; and Station 19 prepares to welcome patients to the Dean Miller Memorial Clinic.

Dixon threatens Natasha in the aftermath of his poor judgement. Meanwhile, Jack is met with disappointment on his first day back. Diane visits Maya, and the team responds to a fire in Theo's old neighborhood.

The team is forced to make a risky call that could cost them dearly after Tomás’ barbershop catches fire. Diane drops by the station and is called back into action alongside Vic and Carina. Beckett makes a decision about his future.

As Station 19 continues to battle an existential wildfire, the team grapples with the possibility of a future that will be changed forever.