Beckett asks Demming to help her and Castle investigate a robbery-homicide, prompting the two men to fall into competition with each other to impress Beckett by proving their own theory in the death correct. As the case develops, it becomes obvious to Castle that, despite his efforts at solving the case, Beckett's relationship with Demming has gotten serious.
Sujet: 2x23 "Overkill"- Doublement mort 
