After an earthquake leaves Danny trapped and alone, his claustrophobic nightmare only gets worse when something truly horrifying emerges from the fissures in the ground, forcing him to engage in a brutal fight for his life and his sanity.

一位著名但有缺陷的大学运动员拒绝NFL来寻找失踪的母亲，却发现自己患有某种疾病，这使他踏上了意外的旅程。