Rent Castle: Series 4 (2012)

Prepare for a season full of suspense as Castle works to identify Beckett's shooter while Beckett struggles with the aftermath of her near-death encounter. All the while, the duo tackles a new batch of New York City's most interesting cases. Castle gets spooked while investigating the death of a ghost hunter, a sexy insurance investigator helps out when a valuable sculpture vanishes and Castle is taken hostage during a bank robbery. Meanwhile, the Triple X Killer returns to New York and the team must race against the clock when Castle and Beckett go missing.