Ep 1. A Deadly Affair

In "Castle" season 3 episode 1 titled "A Deadly Affair", viewers are once again welcomed to the world of Richard Castle, a successful mystery writer who has joined forces with NYPD detective Kate Beckett in order to solve a string of intriguing cases. The season starts off with a bang, quite literally, as Castle and Beckett are called to the scene of a homicide in the middle of the night.

The victim, a high society attorney named Marianne Conner, was found dead in her home with a gunshot wound to the chest. Immediately, Castle and Beckett begin digging into the case, hoping to uncover the truth behind what happened. As they delve deeper, they find that there are a number of potential suspects, including Conner's ex-husband, her business partner, and even her own daughter.

As they work to piece together the clues, Castle and Beckett find themselves drawn into the seedy underbelly of New York's elite social circles. They discover that Conner was involved in a number of illicit affairs, including one with a prominent politician who may or may not have been involved in her murder. Along the way, Castle and Beckett also have to navigate their own romantic tension, which has been building steadily over the last few seasons.

"A Deadly Affair" is a classic Castle episode, full of twists, turns, and unexpected reveals. The chemistry between Castle and Beckett is as electric as ever, and the writing remains top-notch. Fans of the show will be delighted to see their favorite characters back in action, while newcomers will be able to jump right in and enjoy the ride. Overall, it's a strong start to what promises to be an exciting season for "Castle".