A young woman will be murdered and the murder weapon will be Detective Ryan’s old service piece. Castle, Beckett, Ryan and Esposito must rush against time to solve the murder,…

Rebecca visits Randall in Philadelphia. Beth is troubled by a request from Deja. Kevin has doubts about himself.

Kate and Toby try to make time for their marriage. Jack attempts to prove himself to Rebecca’s father. Randall struggles to find his place with the other councilmen.

Randall is confronted with a tough choice; Kate and Toby adjust to their new home; Miguel and Jack’s friendship solidifies.