It later appears the quakes on the mountain are producing a layer of carbon dioxide gas, suffocating those who descend to its altitude.

In the adjacent town, an old man named William is considered an eccentric for believing that the mountain contains Behemoth.

They meet Emily, who is running because part of a mountain suddenly exploded; whereas Grace and her boyfriend are startled by a monstrous eye and accompanying tentacle.

Lincoln were felt all over the world six months ago, and a missing box may be their only chance against Behemoth (lost when the agents were killed).

In its review, Digital Retribution criticized the film's uninteresting characters, dialogue, and lack of screen time of the title monster.