An unsub who kills with his car is the subject of a BAU investigation.
Neelix meets up with Wixiban, who cons Neelix into using Federation shuttlecraft to traffic in narcotics.
As the holiday season passes, Miranda is visited by her father, who disapproves of her life choices; Mark and Lexie must cope with the arrival of a woman from his past; Thatcher questions the chief's recent behavior.
Carl lands the lead role in a movie while moonlighting as a security guard. Steve helps Richie create an artificial tornado for a science project.
Al and Griff go overboard when they discover the ability to swap shoes for mall merchandise.