Marcy Harriell

A professional skeptic -- who debunked religious, paranormal and scientific phenomenon -- is murdered, revealing a possible threat to homeland security; Capt. Gregson's daughter asks Watson for help with a case.

Jackie and Kevin are at a stalemate in their divorce mediation because Kevin wants full custody. A patient from the bus crash is back after she contracted sepsis while at All Saints. Coop is angry that he isn't named Chief of the ER and wants to quit but Jackie tells him he'll get respect if he mans up. Jackie, overwhelmed by the day, vents to the only person who will understand - Charlie Cruz.

Jackie is nervous about her date with Frank, so Zoey and Thor help her get ready and Eddie offers some friendly pointers. Prentiss misdiagnoses an injured dancer, but Akalitus and Coop catch his mistake before the patient leaves. Mike Cruz calls Jackie in a moment of need.

Jackie and Grace both have to recover from their nights of indiscretion. Carrie uses flashcards to strengthen her skills but then cons Coop into doing more of her work anyway. Cruz arrives for his exit interview, putting everyone on edge. Jackie tries to tell Cruz what they did was a mistake, but he won't hear any of it.

Akalitus forgets to hire an escort for a psych patient who ends up laying waste to the pharmacy. Frank cancels his lunch date with Jackie because he picked up an extra shift. Zoey hears Coop and Carrie having sex. Jackie worries about Frank when news that a cop has been shot reaches the hospital.