Castle Promo For Season 5, Episode 18: “The Wild Rover”

When a man is found dead in an industrial cake mixer, Castle and Beckett trace the murder to an Irish gang in Staten Island and a beautiful bar owner named Siobhan O'Doul (guest star Cara Buono, Mad Men). Much to everyone's surprise, Detective Ryan has a complicated history with Siobhan and the Staten Island crime family from his days working undercover in narcotics. When the case hits a dead end, Ryan must go back undercover to expose the killer, complicating his relationship with his wife.

Castle Season 5, Episode 18, "The Wild Rover," airs Monday, March 25 at 10 p.m. ET on ABC.

03.19.2013 / 08:32 AM EDT by Rachel McRady
Related: Castle, Sneak Peeks

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