在暗礁潜伏的狂鲨，猎物无处可逃，海洋深处的恐惧蔓延开来。深爱网

　　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.