Fifteen years after murdering his sister on Halloween Night 1963, Michael Myers escapes from a mental hospital and returns to the small town of Haddonfield, Illinois to kill again.

A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.

Carnivorous aliens arrive unannounced at a Kansas family farm; two intergalactic bounty hunters soon follow, determined to blow them off the planet.

When Ann, husband George, and son Georgie arrive at their holiday home they are visited by a pair of polite and seemingly pleasant young men. Armed with deceptively sweet smiles and some golf clubs, they proceed to terrorize and torture the tight-knit clan, giving them until the next day to survive.

After picking up a traumatized young hitchhiker, five friends find themselves stalked and hunted by a chainsaw-wielding killer and his family of equally psychopathic killers.