Ep 21. Law & Boarder

In the Castle season 6 episode 21, titled "Law & Boarder", the audience is introduced to a deadly game of chess. Castle and Beckett must put their detective skills to the test when a body is found in Central Park, surrounded by a chessboard and pieces. The victim is identified as Russian chess master Sergei Volsky, and they soon discover that he was in New York to participate in a high-stakes chess tournament.

As the investigation progresses, the detectives meet the other chess players, including Volsky's rival, Boris Yeltsin. They soon realize that the chess tournament is not the only competition happening in the city. A group of chess hustlers, led by a woman named "the Queen", have been playing high-stakes games on the streets for years. Could this group be connected to Volsky's death?

As Castle and Beckett delve deeper into the world of chess, they uncover a complex web of lies and betrayal. They discover that the Queen and her team have been using the tournament to scam wealthy chess enthusiasts out of thousands of dollars. But when their scam goes wrong, Volsky becomes a victim.

The episode also explores Castle and Beckett's relationship, as they struggle to balance their personal and professional lives. Castle is distracted by his impending wedding to Beckett, and feels guilty for not being fully present in the investigation. Meanwhile, Beckett must navigate the challenges of being a female detective in a male-dominated field.

Overall, "Law & Boarder" is a thrilling episode that combines intriguing crime-solving with complex character development. The chess motif adds an extra layer of intellectual intrigue to the storyline, and fans of the show will enjoy seeing Castle and Beckett's relationship develop further.