Christmas vacation is interrupted for the Major Crimes Division when a baseball scout is found dead in his RV. The squad works through the murder case, unfolding a complicated kidnapping scheme. Meanwhile, Rusty opens up to Dr. Joe about his mom.

A year-end blowout sale becomes literal for a used-car lot after one of its owners is killed when a bomb explodes. While the squad tries to find who is responsible, Rusty dons a bullet-proof vest under the watchful eye of Lt. Chuck Cooper, a Special Investigation Section supervisor, in an attempt to catch the person responsible for threatening his and Sharon's life.