Movie description: "Stepsisters Share Everything". Ariana has recently got out of a relationship and moved in with her stepsister Megan. The girls are very different and Megan is much more adventurous. One day when Ariana returns home early, she catches Megan having a hot threesome with two hot guys. She finds herself enjoying watching, and when she is caught, she has no choice but to follow Megan's lead and go with the flow.