臭名昭著的 51 区爆发了一场疫情，将一群幸存者带到了地下掩体……只是为了了解……他们并不孤单。

A group of friends find themselves hunted down in the caves by a creature... from another world.

A mutated rat has been let loose in a city.

　　Something has been discovered, and this time, a city is under attack by a fast growing T-Rex.

A suicidal girl is forced to fight for her life when she and her friends are kidnapped and left to be hunted in the woods.