The team searches for a killer in Miami who started out slaying animals and then quickly progressed to murdering prostitutes; Morgan asks Reid to join the bureau softball team.
The stakes get higher as May and Hunter pursue Ward and Hydra; Coulson thinks the ATCU could be keeping a big secret.
Castle and Beckett go under cover as newlyweds at an Old West-style resort to investigate a murder by poisoning.
The spirit of a malicious young boy haunts his workaholic mother, who neglected to spend time with him while he was alive.
As the BAU welcomes back Emily Prentiss, they're called upon to investigate the disappearance of three women.
