Follows a pair of siblings who love but distrust each other as they embark on a white-water rafting trip with a small group. One of their friends from childhood turns out to be more dangerous than he appears.。从前，有一对恩爱的夫妻。然而，继母出于对他们幸福的嫉恨，内通厨娘将儿媳妇毒死。无法瞑目的儿媳妇转世为猫，前来复仇。