Morgan's visit with a survivor of unusual stabbings in upstate New York leads to more questions about the case.

Victims in California have the BAU searching for an UnSub who may have witnessed abuse as a child. Meanwhile, Kate shows parental concern when her niece, Meg, makes a date with a friend to meet a boy they met online.

The BAU is called to Wisconsin in search of a serial killer, and the team looks for a connection among the victims for clues to the UnSub. Also, Kate has trouble dealing with her niece, Meg, when she begins acting out.

The BAU searches for a motive and an UnSub when victims are found in truck stop restrooms along highways throughout the South.