Castle and Beckett's long-awaited wedding is almost here, but when a shocking surprise threatens to ruin the big day, they are sent on a wild mission filled with masked men, angry bikers, and a charming ne'er-do-well from Beckett's past.

Chris Browning, Doug Simpson, Eddie McClintock, Kristina Hayes, Maya Stojan, Nicole J. Butler, R.D. Call, Randy Oglesby, Sarah Karges, Scottie Thompson