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.

一队美国伞兵被空投到纳粹占领的法国的敌后，准备一个信号信标来引导盟军为D日做准备。