Gabriel Salvador

Van Pelt's career is jeopardised when a protected witness is killed on her watch. However, Jane soon discovers that the murder was perpetrated by the unlikeliest of killers.

Not everything is as it seems after "Juliette's" return; Monroe and Rosalee look for answers regarding increased Wesen violence; Trubel has information for Nick.

Danny must control his emotions as he tirelessly tracks down the person who shot a member of the Reagan clan.

Nick and Hank investigate a wave of vandalism that results in a local business owner's death and the kidnapping of a friend of Monroe and Rosalee; Trubel tells Nick and Adalind what she's been up to.

It's Callen and Sam's five-year anniversary as partners. Appropriately, the pair mark the occasion with one of their trickiest undercover operations to date.

After a movie star turned theatre actor is mysteriously killed, Castle and Beckett go backstage and learn the star had more to worry about than just his lines.