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When Castle and Beckett wake up in bed, handcuffed together, in a locked room with no memory of how they got there, they must piece together the mystery of where they are and why, all while trying to escape. But as the two of them adjust to being shackled together, what's the biggest threat they face... the people who abducted them or each other? Meanwhile, Ryan, Esposito and Gates are left to investigate their disappearance in a case where all is not what it seems. Written by ABC Publicity
All Episodes - S04
EPS04
Student Jane Herzfeld was fatally shot with the Glock service pistol stolen from Detective Ryan by serial killer 3XK. Her ex-boyfriend, Finn McQueen, has an alibi. Phone ...
EPS13
Dog trainer Francisco Pilar is murdered after naming Best of Show at a dog show. Castle gets the Labrador he was training temporarily adopted as team mascot, and his nose ...
EPS14
Castle senses a diary of a P.I from the 40's found in the effects of a murdered modern-day treasure hunter is the key to finding the Blue Butterfly, a blue-diamond neckla ...