故事发生在近未来，因为未知神秘生物的出现，导致整个城市面临前所未有的危机。一桩被隐藏多年的秘密计划浮出水面。少年马山（王俊凯 饰）被带入749局，进入层层迷宫，开启一程冒险之旅，并在这一旅程中完成了一次自我的成长与救赎。
A tectonic shift deep below the Mariana Trench causes a series of ever escalating earthquakes. If a team of leading seismologists fails to stop the disaster, the events will break apart the Earth, resulting in billions of casualties.
A botched faith healing bestows supernatural Shaman powers on a bullied teenager. When his lifelong tormentors pull a prank that kills someone he loves, he uses his powers for revenge and goes on a bloody rampage to settle the score.
