Izzie seems to be getting over Alex when she shares an undeniable chemistry with Denny Duquette, a patient who's awaiting a heart transplant, and George treats Bex, a young teen hermaphrodite.
When a body is discovered in Atlanta covered in scratches, the BAU finds that this death and subsequent murders could be linked to an UnSub with an obsessive skin disorder.
Jack closes in on Teri and Kimberly's location as things turn violent at the compound; Palmer realises how far his campaign backers will go to protect him.
Holly takes her authority at Ojai Foods too far and pushes Saul and Sarah to their limits. Meanwhile, Kevin encounters homophobia in the work place for the first time.
Violet looks to Sheldon for advice after a patient makes a chilling confession; Addison tries to hide her grief; Cooper and Charlotte adjust to their new life; Sam confronts Sheldon.