Step-siblings Rissa and Rion have been fucking behind their step-parents' backs for a while now, but nothing lasts forever! As soon as Pristine and Will catch them, they have a serious talk with their step-children about it. Yet, the truth is that the couple prefers to foster an open household where sex is not taboo. Relieved, Rissa and Rion get back to it–this time, with a little help from stepmom and stepdad!