The BAU agents search for one of the most notorious serial killers in New England, who strikes again after a 10-year hiatus.
Chris finds Julius' men's magazine and brings it to school, where a bully steals it and the principal confiscates it.
Cristina, back from her honeymoon trip, searches in vain for Burke; Meredith, Cristina, Izzie and Alex spend their first day as residents with their own groups of interns.
A morality clause in the "Extra Extra Virgin Olive Oil" girl contract requires Kelly to refrain from sex.