In preparation for a shotgun wedding before the birth of Baby Guster, Shawn and Gus go rogue in an attempt to track down Selene’s estranged husband, as Lassiter grapples with the future of his career.

After Santa Barbara Police Chief Carlton Lassiter is ambushed and left for dead, Shawn and Gus return to help him and find themselves embroiled in a case involving the personal, the professional — and even the supernatural.

The ambitious friends come together during the holidays after a mystery assailant targets one of their own. A comedic thrill-ride follows, as the wild and unpredictable Psych team pursues the bad guys, justice … and, of course, food!