The Jeffersonian investigates the decomposing body of a social worker in the park, but evidence suggests the killer lived with the body for months before dumping it. Things get even more complicated when they determine another set of remains has similar details which link the multiple victims to a serial murderer who had sinister interactions with his victims' bodies. Booth and Aubrey (John Boyd) consult with behavioral analyst Karen Delfs (guest star Sara Rue) to help with clues to the killer's identity while Cam (Tamara Taylor) tries to determine what (and who) she wants in her romantic life.
