step-Sisters Misty and Kendra have a long track record of being up to no good. They love seducing eachothers men and getting them to fuck them and then talking about it together behind their backs. This time Misty has her eyes set on Peter, Kendras man, but Kendra is hesistant and doesn't know if its a good idea...Misty decides to invite Peter over anyways and gets him to the dungeon, at the same time as Miles invites Kendra over to the dungeon. Girl fight ensues. The guys laugh at them since they had this planned the whole time. They get the girls in tight bondage and fuck the hell out of them since they wanna be big sluts all the time and be unfaithful!