When a former Deittman consultant reaches out to Ash for an investigation as a personal favor, she finds herself reluctant to take his call. When he shows up at the team's office, however, she has little choice but to accept. JB and Ash join Eli, who is not only their client but a Post-Cognitive psychic, in an attempt to rid a local private school of a long-time haunting in hopes of putting a little girl's mind at ease. And, at the same time, Ash begins to notice a few threads that may connect to some of their other recent cases...