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.

Andy becomes painfully suspicious of the circumstances surrounding her mother’s death and goes to her aunt looking for answers. Meanwhile, the members of the crew work to evacuate a doctor from Pac-North hospital and find themselves in a life-threatening situation; and Sullivan undergoes surgery for his chronic leg pain.

When the COVID-19 pandemic hits Seattle, the Station 19 crew leans on each other for support. Andy tries to make sense of her mother’s return, while Sullivan settles into a new routine. And it’s all-hands-on-deck when a group of teenagers unintentionally starts a wild fire.

The team responds to a difficult domestic dispute involving a pregnant woman. Meanwhile, Travis struggles to deal with a family crisis, and Maya and Carina’s relationship continues to grow.

The Station 19 crew is called to a cult gathering where they find their leader dancing on the roof and claiming he can fly. Travis gets a surprise visit from his father. Dean makes a difficult decision that could affect his career trajectory.

Vic’s love life is complicated again as she learns of a shocking secret. Meanwhile, Andy grows frustrated at Sullivan for undermining her authority, and Maya struggles to keep her jealousy at bay when one of Carina’s old flames comes to visit.

Andy, Sullivan, Dean and Ben are faced with a tough choice while trying to save a couple trapped in their car. Meanwhile, Dean second guesses his legal fight against the Seattle Police Department; Travis’ dad fears he will be outed when his “golfing friend” is exposed to COVID-19; and Carina’s immigration status is called into question.

Maya, Jack, Vic, Travis and Sullivan respond to a burn call at an ice rink. Meanwhile, a pregnant woman and her husband seek out the station for help; and Maya and Carina have a difficult conversation.

Ben finally faces the health issues he has been putting off. Meanwhile, Jack and Inara help their neighbor out of a trashy situation, and Carina and Maya reevaluate their relationship.

Maya addresses some unresolved family issues, and the crew takes matters into their own hands when faced with a life-or-death moment on scene. Meanwhile, Andy and Sullivan’s marriage is put to the test.

It’s the most wonderful time of the year and the firefighters have their hands full responding to a number of crises throughout Seattle. Putting aside their differences and personal drama, they come together to try and achieve a Christmas miracle.

It’s election day at Station 19, with all eyes on the mayoral race. Andy, Theo and Sullivan vie to be named captain, and Vic forges an unexpected bond after going rogue.

Andy steps into the station’s captaincy as Jack's life hangs in the balance. The team is called to a hostage situation. Natasha fights for her career, and Maya and Carina make a choice.

Ben and Theo respond to a challenging Crisis One call, and Jack struggles adjusting to his new reality. Maya and Carina treat a nanny with a surprising diagnosis. Travis finds a surprise at Dixon's wake, and Vic joins Beckett at a family funeral.