When a guilt-ridden young woman confesses to the murder of a struggling actor -- knowing details only the killer 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... (more) killer. When a second person confesses, equally convinced they committed the murder, the team realizes the case is far more mysterious than they thought.

Alexie Gilmore, Bradford Anderson, Drew Powell, John Getz, Kelly Kruger, Phil LaMarr, Samantha Sloyan