Morgan, Prentiss, Reid and J.J. attempt to stop a stalker before he gets close to the woman who is the object of his affection. Meanwhile, Hotch and Rossi consult on a murder case to determine if a wife who killed her husband can claim battered-woman syndrome.

When people who seemingly have nothing in common are shot at random in New York City, the BAU team is called to investigate whether a single serial killer or a team working together is responsible for the killing spree.