When a woman dies of an inexplicable disease, her widower, a greedy landlord and her sister, obsessed with her house, must survive a sinister psychic and supernatural force that sickens everyone who lives in the house.

An infected scientist is locked up in his laboratory trying to find the cure for a deadly virus. When he runs out of supplies, he will have a difficult choice to make, either let himself die or accept a vaccine from a sinister corporation.