Ep 20. The Fast and the Furriest

Castle season 5 episode 20, titled "The Fast and the Furriest," follows the investigation of a murder at a dog competition. The episode begins with Castle and Beckett attending the dog show to support a friend's entry. However, their leisurely day takes a drastic turn when a wealthy dog owner is found dead in his car, apparently attacked by a dog.

As usual, the detective duo begins their investigation by interviewing witnesses and suspects. They quickly realize that there is more to the victim's life than just his love for dogs. The victim was involved in shady business dealings and had a lot of enemies. Castle also finds himself attracted to a beautiful dog handler, leading to some humorous scenes and banter between him and Beckett.

The investigation takes a surprising turn when one of the dogs at the show is poisoned and dies. This leads the detectives to suspect that the victim's death was not an accident, but instead part of a larger scheme involving dog shows. As they delve deeper into the world of dog competitions, they discover a high-stakes gambling ring and a group of dog owners willing to do whatever it takes to win.

Throughout the episode, the relationship between Castle and Beckett is a central focus. They continue to navigate their romantic feelings for each other while working on the case. Meanwhile, Ryan faces some personal struggles as he deals with the aftermath of his shooting and tries to adjust to his new role in the precinct.

As the investigation comes to a head, Castle and Beckett find themselves in a dangerous situation and must race against time to catch the killer. Will they be able to solve the case and come out unscathed?

Overall, "The Fast and the Furriest" is an entertaining and suspenseful episode that showcases the chemistry between Castle and Beckett. With its unique setting and intriguing plot, it's sure to keep viewers on the edge of their seats.