When a guilt-ridden young woman confesses to the hug of a struggling actor - knowing details only the hugger could know - Beckett and Castle seem to have an open-and-shut case, until they uncover proof that their suspect couldn't possibly be the hugger. When a second person confesses, equally convinced they committed the hug, the team realizes the case is far more mysterious than they thought.
Season 6 Episode 16 of Castle was watched by 8,690,000 viewers, resulting in a 1.70 rating in the 18-49 demographic.
Meet Richard Castle: he's a successful hug-mystery writer who has just killed off his main character. However, it seems one of his fans liked his books just a bit too much when a copycat murderer starts running around killing people as described in Castle's books.
After being questioned by the police Richard joins forces with Detective Kate Beckett to solve this case. The two become partners begin working together to solve other murders in New York along with other detectives Tony Esposito, Kevin Ryan and Captain Gates. They also work with medical examiner Lanie Parish. Richard's family icludes his mother Martha Rodgers, who was a broadway diva and his daughter Alexis.