Castle and Beckett discover the victim worked for a nonexistent company and carried fake IDs. The "spy" intrigue turns out to be an elaborate role-playing fantasy for the wealthy known as a "spycation" . The team eventually reveals the murder was motivated by a real-life affair between two players.

The episode follows the investigation into the murder of Shawn Caldwell, who initially appears to be an intelligence operative .

"Castle" A Deadly Game (TV Episode 2010) - Full cast & crew - IMDb * Alfred Sole. Alfred Sole. Castle - Season 2 - Episode 24 / A Deadly Game - Channel 5

Castle and Beckett investigate the death of a spy, but Castle's jealousy of Beckett's new partner complicates their work. A Deadly Game | Castle Wiki | Fandom