荒川英人一名东大毕业在顶级银行工作,拥有高身高、高学历、高收入的精英荒川英人,30岁的他一直隐瞒着自己是个童子之身,直到国家规定年满30岁还未有性经验的人将被强制进入“成人高校”学习……。In their last attempt to save their marriage, Sara and Óscar decide to take a short vacation in a cabin in the woods with their two children. But upon arrival, strange events corrode the tense atmosphere between them: a woman prowls the house predicting events that defy nature, which break the family from within as they confront unresolved problems from their past.。