Emotions boil over at the station as the team chafes against Theo's leadership style. Carina enlists Ben and Maya to help her with a patient in an uncomfortable position. Natasha and Sullivan's relationship hits a roadblock.
Follow a group of heroic firefighters at Seattle Fire Station 19 - from captain to newest recruit - as they risk their lives and hearts both in the line of duty and off the clock. These brave men and women are like family, literally and figuratively, and together they put their own lives in jeopardy as first responders to save the lives of others.