Let It Snow (S03E01)

In the third season premiere, Detective Lydia Adams endures a stressful adjustment period with her new partner, Josie Ochoa, as they investigate the disappearance of an illegal immigrant. Detective Russell Clarke, Lydia's former partner, adjusts to a new desk job on the force. Meanwhile, Detectives Sammy Bryant and Nate Moretta look for the killer of two gangbangers; and Officer Ben Sherman catches the eye of an attractive woman during a traffic stop, while his partner, John Cooper, struggles with increasing pain. (Warner Bros. UK)