Castle and Beckett have their lead and are ready to face LokSat, but an unexpected twist puts everything in danger.

Cast: Nathan Fillion, Stana Katic, Susan Sullivan, Jon Huertas, Seamus Dever, Tamala Jones, Molly C. Quinn, Toks Olagundoye, Kenneth Mitchell, Brian Poth, Rainey Spurlock, Michael Teh