Mouch builds a classic firetruck model for the Deputy District Chief but needs assistance from Gallo and Ritter. Brett and Violet encounter multiple victims with a strange set of symptoms. Cindy's chemotherapy results loom over the Herrmann family.
Iris is visited by Nia Nal, as she needs Iris' help. When Iris and Nia fall into a fever dream and explore different possibilities for their lives, Barry, Chester, Allegra and Cecile desperately try to help them. Meanwhile, Mark entertains Khione but they have different ideas of what is fun, leaving Khione to feel that Mark is trying to make her something she is not.
Jimmy addresses a federal judge ruling for Mike Pence to testify in the January 6 investigation then catches up with Kevin Bacon and Jay Pharoah before welcoming musical guest Coco Jones.