Episode Description: Beware, spoilers! To read - hover over the text.
A young woman suffering from the consciousness of his guilt, confesses to the murder. She says details of the incident, who could only know the killer. Castle and Beckett realize that it will be easy until they find proof that their suspect cannot be the killer. And when the same crime is deemed to be another man, the team realizes that this case is much more complicated than they first thought.