When a body is found at a sci-fi convention, Castle and Beckett are warped into the heart of fandom.
Denise and Shirley defend Daniel Post (guest star Michael J. Fox) after police arrest him for trying to buy a lung; Alan Shore represents his buddy (guest star Christian Clemenson), whom police catch driving in the car-pool lane with a life-size sex doll.
Jeffrey Coho handles a high-profile case on his first day at the office; Crane's online date threatens to sue the firm; Shore takes on a cross-dressing client.
Ivan (Tom Selleck) wants to invalidate the postnuptial agreement Shirley drafted for him so he can get a divorce; Denny's Internet date, hurt by his comments about her size, plans a lawsuit.
Jeffrey Coho and his team go to court on a high-profile murder trial; Denny Crane continues to develop feelings for Bethany Horowitz (Meredith Eaton-Gilden).
