After her sister's murder, Nic, her younger sister and two friends seek solace through a Pacific island kayaking adventure. Hours into the trip the women are stalked by a shark and must band together, face their fears and save each other. 　　译文(2): 在她姐姐被谋杀之后，尼克，她的妹妹和两个朋友通过一次太平洋岛屿的皮划艇冒险寻求安慰。几个小时后，女人们被鲨鱼跟踪，她们必须团结起来，面对恐惧，拯救彼此。