Series 2 - Episode 16: The Mistress Always Spanks Twice

Episode 16: The Mistress Always Spanks Twice

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Castle and Beckett venture into the world of sexual domination as they investigate the murder of a woman found hanging by bondage cuffs and covered in caramel sauce. Although the crime scene has all the makings of a sex crime there appears to be no sex involved. However Ryan and Esposito focus on the wrist bracelets the girl was wearing and discover just seven shops in Manhattan supply bespoke bondage gear.

One establishment, The Love Shackle, looks like it could have supplied them. The shop's owner identifies the cuffs as his handiwork and remembers the buyer: a man Tyler Benson came in with his girlfriend, whom the shop owner positively identifies as the victim.

Castle and Beckett pay Tyler a visit but he has a watertight alibi. He admits he regrets not pushing hard enough for his student girlfriend, Jessica, to change the subject she studied – the sociology of sexual bondage and domination.

At the university she attended, her tutor says that Jessica's guide to the world of bondage was a dominatrix called Mistress Venom. Jessica had been competing for a coveted scholarship with several other students in her department, including one called Kelly who unlocks the safe containing Jess’s notes. Her phone records reveal that on the day she died Jessica placed two calls to Lady Irena’s House of Pain. Beckett sets up a session at the House of Pain and follow the trail...

Who is Mistress Venom? Did one of Jessica's fellow students feel threatened by her enough to commit murder?

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