三位朋友，拍摄一场极限真人秀的录像带，进入了鲨鱼笼潜水，但是没想到，很快会变成一场灾难性的转折，把他们留在巨大的白色鲨鱼出没的水域，把他们的录像变成一本关于生存和死亡的冷血日记。
Three friends, filming an audition tape for an extreme reality game show, take part in shark cage diving. Which soon turns into a catastrophic turn of events, leaving them in great white infested waters, turning their recording into a blood chilling diary of survival and death.
