A "Jane Doe"; covered in blood and suffering from amnesia, steps in front of Cho and Van Pelt's car, and Jane attempts to discover who she is and what happened, which leads to the team finding three additional bodies in a nearby barn.
Jane takes up the job of helping the victim get her memory back.
Through fingerprint identification, the CBI identifies Leonard Railton as one of the victims and follows clues to an Indian Reservation. The other two victims were on a hike and were in the wrong place at the wrong time.
Meanwhile, Hightower addresses the issue of the romantic relationship between Rigsby and Van Pelt —- she confronts them about their relationship and instructs them to either break up or decide which one is to be transferred. Rigsby offers to leave the team, but Van Pelt decides to break up with him instead, not wanting the burden of being the reason he leaves the position he worked so hard to get and values so much.