Washington, D.C. psychologist Carol Bennell and her colleague Dr. Ben Driscoll are the only two people on Earth who are aware of an epidemic running rampant through the city. They discover an alien virus aboard a crashed space shuttle that transforms anyone who comes into contact with it into unfeeling drones while they sleep. Carol realizes her son holds the key to stopping the spread of the plague and she races to find him before it is too late.
Set up as the fall guy in a string of slasher murders, Boone decides he'll hide by crossing the threshold that separates "us" from "them" and sneak into the forbidden subterranean realm of Midian.
When Environmental Protection Agency inspector Steve Malone travels to a remote military base in order to check for toxic materials, he brings his family along for the ride. After arriving at the base, his teenage daughter Marti befriends Jean Platt, daughter of the base's commander, General Platt. When people at the base begin acting strangely, Marti becomes convinced that they are slowly being replaced by plant-like aliens.
A freak hurricane hits Los Angeles, causing man-eating sharks to be scooped up in tornadoes and flooding the city with shark-infested seawater. Surfer and bar-owner Fin sets out with his friends Baz and Nova to rescue his estranged wife April and teenage daughter Claudia.
When the residents of a luxury apartment complex outside Montreal are infiltrated by parasites and transformed into violent, sex-crazed maniacs, it's up to Dr. Roger St. Luc to contain the outbreak from spreading to the city.
Lt. Bobby Quinn is a Special Forces commando killed during a recon mission in the Cambodian jungle. But when Quinn interrupts his own stateside autopsy, he discovers that the rest of his dead squad has been resurrected with a ravenous apetite for human flesh. Now with the help of a wisecracking cook and a sexy film geek, the part-zombie Quinn must stop the plague before it can infect the entire nation. Who holds the shocking secret behind this blood-crazed carnage? And what happens when Quinn stops gnawing on raw steak and starts chomping on the hot chick?
Having recently witnessed the horrific results of a top secret project to bring the dead back to life, a distraught teenager performs the operation on his girlfriend after she's killed in a motorcycle accident.
A typical night for veterans at a VFW turns into an all-out battle for survival when a desperate teen runs into the bar with a bag of stolen drugs. When a gang of violent punks come looking for her, the vets use every weapon at their disposal to protect the girl and themselves from an unrelenting attack.