Slave Ship (2010)

A famous writer known for his scintillating S&M novels and debauched yacht parties ventures into dark territory while investigating the mental collapse of a participant who may have fallen prey to a vicious stalker. Onimata Kan is an author with a flair for the erotic. In addition to penning kinky bestsellers, he frequently throws parties on his boat the Slave Ship. The highlights of Kan's parties are auctions in which the sexual services of willing participants are auctioned off to the highest bidder. But when one of the women who offered up her body at Kan's party goes insane, the author discovers just how far some people are willing to go to experience the ultimate sexual thrill.