Castle at the Crime Scene in Season 4, Episode 5: “Eye of the Beholder”
Castle and Beckett work a murder case around the theft of a valuable sculpture. Kristin Lehman (The Killing) guest stars as Serena Kaye, a smart, sexy insurance investigator, who joins Castle and Beckett in the investigation — however, she also has her eyes set on Castle, all the while hiding a very important secret from the team. Jessica Tuck (True Blood) also guest stars as Joy McHugh, a wealthy museum benefactor who becomes a suspect in the murder investigation.
Original Air Date: October 17, 2011 at 10/9c on ABC!