After passing the Captain's exam in the Season 7 finale, Beckett was surprised with an offer to run for State Senate. In the action packed season premiere, Castle and Beckett are adjusting to Beckett's career change, when a call from a mysterious stranger sets off an explosive chain of events. There are two sides to every story, and this unique two-parter will explore the same story from each of their perspectives, first from Castle's side as he searches for Beckett.

Cast: Nathan Fillion, Stana Katic, Jon Huertas, Seamus Dever, Jason Ambrose, Sunkrish Bala, Jack Coleman, Tim Fields, Coby Ryan McLaughlin, Jenna Osterlund, Brad Lee Wind