Longworth investigates a murder in Gibtown, a community populated with human sideshow descendants, and everyone is a suspect. Jim and Callie try to figure out the exact meaning of their relationship.

When Jim and Carlos investigate the death of a millionaire who bequeathed all his wealth to an organization of UFO enthusiasts, the organization's leader accuses the FDLE of covering up the true cause of death: an alien abduction. Meanwhile, Jim and Callie's relationship heats up, but Callie's job search to keep her in Palm Glade falters.