A Hollywood comeback is interrupted when a former child star is found dead on skid row, leaving the director of the actor's current movie and his manager as prime suspects. Flynn's daughter comes to visit and the true nature of Sharon and Flynn's relationship comes to light.

Santa finds himself on the naughty list after robbing a bank, but a Santa flash mob complicates his apprehension and the Major Crimes unit scrambles to figure out how things went so wrong. Sharon's kids come to town for the holidays while Buzz starts training as a back-up police officer.