A series of coincidences leads Scully to a married man she had an affair with during medical school but left him to protect his family.

Rebecca mistakenly sends Josh a text meant for Paula and takes drastic measures to ensure he never sees it. Meanwhile, Paula and her husband attempt to rekindle their relationship, only…

The BAU heads south to investigate a fast-moving UnSub whose signature matches that of a serial killer from 30 years ago. Also, the team learns that someone is tracking their…