Al Carabello

Detective Slaughter returns to enlist Castle's help in solving a high-stakes robbery case. But when a body is found linked to the crime, Slaughter becomes the number one suspect in the heist turned murder, while Castle has to determine whether he's guilty or help to prove he's innocent.

Victoria takes matters into her own hands after she is attacked; Emily must come to terms with what she really wants.

True colors are revealed when Margaux uses her ammunition against Jack and Emily; Natalie tells Victoria the truth about her arrival in the Hamptons.

Even Emily's closest friends worry that she has gone too far as she sifts through the wreckage of her life.