As young girls are dredged from the Shallows in a small Cape Cod town, the BAU—plus one reluctant psychologist from Boston—find themselves profiling a very unusual sort of unsub.

Dr. Heidi Bishop is an empath, thought to be an asset to the BAU. She is a long-time friend of Morgan and attracts the attention of Dr. Reid. When a case dredges up events from Heidi's past, Spencer tells the young psychologist about his own, and Heidi finds herself becoming increasingly intrigued by him. This is their story. Reid x OC