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.

The squad must work quickly to track down a serial killer before he strikes again. Meanwhile, things get dangerous over a game of chess.

When the squad comes across a pile of bones, they fall into a web of connections as they find their victim has an unnerving past. Rusty continues to pursue his investigation of the Alice case with the help of a new friend. Meanwhile, Rusty also gets roped into helping Provenza make a major move.