Amanda liked it when Daddy tucked her in, but he didn't do it every night. So she asked her mom if he could tuck her in that night. After asking some questions about what "tucking in" meant, Mom advised her daughter that letting Daddy tuck her in could become very serious business that could have life-changing consequences. So, Amanda decided she should pursue a degree in business... at least the business of being tucked in.
Rick discovers that he is part of a breeding experiment designed to save the human race, starting with his Step-Mother and Sister. He uses his powerful pheromones and genetically enhanced cock to breed with any woman he pleases.