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Castle (2009)

Season 5 Episode 18
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S5 E18: Castle (2009) Season 5 Episode 18

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. 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.

Season 5 Episode 18 of 24

Season 5 Episodes

24 episodes

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