Season 1 concludes with Brian dealing with a stunning betrayal as he and the FBI race to stop an NZT-enabled Sands and his associates from orchestrating an international incident of evil. Meanwhile, Brian also experiences devastating side effects when his NZT immunity begins to wear off.moreless
Karen's case comes to a shocking conclusion, and Lucy goes missing. Meanwhile, Joss attempts to salvage her relationship with Alex and Savi grows closer to Dom.
Castle and Beckett must solve the murder of a champion swimmer who had a shot at the Olympics. They need to sort through all the secrets they uncover to find what led to his death. Meanwhile, Castle's poker buddies offer their views on the case.moreless