They Are So Much Closer Than Just Kissing Cousins. When Emily visits her big-city cousins for spring vacation, she discovers Nathan and Jennifer's sibling love runs deeper than she ever imagined. Catching them in several torrid incestuous acts, Emily struggles to understand their taboo relationship. But when they invite her to their unprotected debauchery, will virginal Emily be able to resist breaking such a risky taboo with her naughty cousins? Of course not!