After a car crashes into Joe's Bar, Andy and Sullivan lead the team of firefighters as they work to rescue people before the building comes crumbling down.
Andy takes the day off to continue to sort out her family life; Maya and Carina do their best to maintain their relationship while unable to physically see each other due to COVID-19 restrictions; Sullivan strives to work on his sobriety.
Maya and Theo answer a call at a Halloween carnival; Station 19 hosts the neighborhood kids for trick-or-treating; a prank war breaks out in the house; Jack is haunted by a ghost from his past.
Andy deals with the aftermath of a trauma.
Catherine faces audits for several of her foundation hospitals; Addison returns to Grey Sloan; tensions rise between Meredith and Richard; Owen goes back to work.