Castle (2009)

S4E10 Cuffed

Castle and Beckett awaken in a locked room, handcuffed to each other and with no recollection of how they ended up there. They must unravel the mystery of their location and the reasons behind their abduction, all while figuring out how to break free. As they adapt to their newfound predicament, tension rises—will they be more of a threat to each other than to their captors? Meanwhile, Ryan, Esposito, and Gates are tasked with uncovering what happened, discovering that the situation is far more complicated than it initially appears.