Karla lures her stepbrother, Chad, into a threesome with her best friend in order to play matchmaker for the two. Eager to take his BDSM relationship with his stepsister, Marley, to the next level, Tommy asks her to invite a friend over to join in on the fun. Karmen?s obsession with her stepbrother, Anthony, reaches a breaking point when her friend Samantha hatches a seductive and twisted plan. Determined to help classmate, Elsa, lose her virginity, Jenna asks her sexually experienced stepbrother, Chad, for assistance.