In Threesome with a Step Mom, Kendra Lust & Kiera Winters invite their friend Johnny Sins to their home for a night of fun. The girls are really excited as they all think it will turn out to be the best threesome ever! Things go smooth until their friends get back from going on a trip and tells them about the wild party the girls had the day before. Now the girls have to find ways to get their step mom in one night and to satisfy her needs in bed before leaving....