凶残巨鳄嗜血来袭，平静的民国小镇陷入一级恐慌，面对巨鳄的无差别攻击，众人能否成功将其制服？
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.
