Ep 14. Lucky Stiff

In Castle season 3 episode 14, titled "Lucky Stiff," the team investigates the mysterious death of lottery winner, John Allen. While it appears at first to be a simple case of a heart attack, Castle and Beckett quickly suspect something more sinister is at play. With a winning ticket worth millions of dollars on the line, they must navigate a web of deceit and greed to uncover the truth.

As Castle and Beckett delve into the case, they discover that John Allen was not the only one with a vested interest in the lottery winnings. His ex-wife, children, and a host of acquaintances all had motives for wanting him dead. But as they follow the clues and interview suspects, it becomes clear that the killer may be closer to home than anyone realized.

Meanwhile, Castle finds himself in a bit of hot water with Beckett when she discovers he has been snooping around her personal life. While he was only trying to help her solve the case, Beckett is frustrated with Castle's lack of boundaries and warns him to stay out of her personal affairs.

As the investigation heats up, Castle and Beckett find themselves at odds over suspects and motives. But when a crucial piece of evidence comes to light, they are forced to put aside their differences and work together to catch the killer before they strike again.

In the end, the team is able to solve the case and bring justice to John Allen's family. Castle and Beckett come to a better understanding of each other's personal and professional lives, and the stage is set for more thrilling cases to come.