Meredith and Carina question DeLuca's uncharacteristic behavior when he volunteers to perform a life-threatening task during a blizzard; Bailey tries to help Joey with his future; Richard trains a new intern at the hospital.
The crew struggles to come to terms with an injury to one of their own; a temporary replacement must be dealt with; Boden ponders some interesting news; Kidd has a hard time keeping a secret.
Malik shadows Randall at work; Kevin struggles to connect with his new movie director; Jack and Rebecca struggle to sleep train their babies.
Kevin and Madison navigate their engagement as Kate and Toby take a big step in their adoption journey; Jack and Rebecca brace for puberty.
The Pearsons navigate huge family milestones together but from a distance.