一艘在深海被困的潜艇上突然出现一名神秘樵夫，而这艘潜艇带着不稳定的货物，已经被困在水下好几个月了。随着陷入恐惧的船员们穿过遇难船的走廊，发现自己正在接近最黑暗的恐惧的源头。。Stranded in the aftermath of a deadly outbreak, a brother fights to protect his sister while he desperately searches to find refuge and avoid an infected population with a thirst for blood.。