Strange clouds are forming over the Town of Dell. Pinkish in color, they seem to pulse, ready to unleash a red rain on unsuspecting townspeople. It's no ordinary rain. The blood red liquid turns people into violent mutants. People transform instantly, covered in horrible burns and scars. A group of survivors huddle in a restaurant. Others take shelter in an amusement park. And the source of the strange clouds is something more terrifying and ominous...