After realising he has died at the scene of a car crash, Nathan descends into the depths of hell, where he is doomed to experience the pain of tortured souls along the way.

During a long journey, Astrid and Tristan stop at a remote cottage to spend the night. But they are not aware that in the woods nearby an antisocial trio are preparing to invade the home, bent on torture and murder.

Orphaned at birth, Jean abandons his wife and infant child, believing that he is protecting them from his criminal double life. On the run, his frantic odyssey will bring him back to the fatherhood he was fleeing.

在1956 年的法国北部，一群地下矿工带着一位教授前往地下一千米深处进行取样调查，而突如其来的山体滑坡导致他们无法再返回地面，但他们也发现了一个来自另一个时代的墓穴，并在不知情的情况下唤醒了传说中的嗜血生物。