The Graysons try to protect their own as suspicion grows about the shooting of Emily Thorne.
Alan and Walden attempt to convince Louis that Santa Claus is real.
Christy convinces herself that everything is fine even though her family is basically homeless. Surprisingly, Bonnie is the one who tries to bring her back to reality.
In the aftermath of a disastrous ”Meet the Parents” dinner, a bickering Castle and Beckett are sent to retrieve the only witness to a murder, but they get ambushed and…
Meredith rethinks her plans. The interns are on thin ice following a patient’s death. Simone and Lucas are immediately tested in an emergency. Richard confides in Bailey. Teddy’s fate is revealed.