Revised for 2018 with a surprising new ending!The successful and privileged Dayton Hargrave is engaged to marry Bobbie. He’s resigned himself to a life of vanilla sex, until he discovers a business card for a secret facility that offers a solution to his unsatisfied need for domination of Bobbie. The ad reads: When her obedience is key Call 1800555SUBU. Confidentiality guaranteed Obedience. Dayton contacts SUB U to undertake Bobbie’s training in submission and especially anal sex. Upon her arrival at the facility, Bobbie awakes drugged, stripped, and bound to a bed. She’s held down by four men and forced to submit to a lesson in absolute humiliation and subjection. She’s soon devastated to learn that it was her fiancé who sent her to be trained. An attempt to escape earns her an excruciating whipping, followed by further lashing and spanking for continued disobedience. Every method available is employed to violate her virgin asshole including rape by machine. Yet every has underestimated Bobbie's strength and Dayton's weakness as his life begins to spiral out of control. No one would have ever suspected that SUB U would teach Bobbie the real truth about Dayton and, more importantly, herself.