A group of graduate students and scientists uncover an ancient canister in an abandoned church, but when they open the container, they inadvertently unleash a strange liquid and an evil force on all humanity.
A freak storm unleashes a species of bloodthirsty creatures on a small town, where a small band of citizens hole up in a supermarket and fight for their lives.
Soon after a stranger arrives in a little village, a mysterious sickness starts spreading. A policeman, drawn into the incident, is forced to solve the mystery in order to save his daughter.