一场惊天动地的大地震，让设在海平面下的实验室危在旦夕！ 　　一场毁灭性的地震，让6名驻扎于海底的研究人员受困于即将被淹没的研究设施，唯一的生存之路竟然只剩下徒步经由海底平面走到遥远的废弃钻井台。 　　在这充满挑战的旅途中，他们很快就意识到，除了得依靠简陋装备克服缺氧危机，某种前所未见、致命的海底掠食者已被唤醒，并将他们当作猎物般的追击扑杀…An unknown, massive earthquake happens in a drilling station in the bottom of the Marianna Trench. A scientific crew must find their way across the ocean floor into another station under the threats of deep pressure, dark water, dangerous deep-sea creatures, and a constant lack of oxygen.