Six friends go to the Placid Pines Cemetery to play hide and seek in the tombs. When a "harmless" prank ends in the accidental death of one of the group, the prankster goes to prison. Five years later the friends meet up in the cemetery again to resolve the issues of that fatal night. When members of the group start getting murdered one at a time, they realize that this time it's no prank.

Seven college kids take a shortcut on their way to a party and unfortunately end up in Wormwood – a "lost" town in the middle of nowhere. They find something strange and sinister happening there – bones and weird decorations line Main Street. The cause: local Wormwood legend says on All Hallows Eve one hundred years ago, a crazed man tortured the youngsters in town and then cut off their heads. In retaliation, the townspeople killed him by cutting off his head. Seeking revenge every seven years, he returns and takes seven heads from children in the town. Now the seven visitors find themselves hunted one by one as the Headless Horseman claims his due.

In this modern retelling of the classic horror tale, teen siblings are enslaved by a psychotic recluse within her gruesome house of horrors in the woods.

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.

The friends Emmett, Freddy, Marie, Kevin and his reluctant girlfriend Jessie decide to spend the Halloween night in an abandoned hospital. Meanwhile, the younger Allan meets the old friend of his father Arlo Ray Baines and asks him to help to find his vanished sister Meg in the same spot. The two groups meet each other in the mental institution section on the haunted third floor.

When a rumor spreads through the neighborhood that he's got more to offer than most men, an awkward virgin becomes popular beyond his wildest fantasies. Strippers, housewives and the town's most gorgeous eligible women throw themselves at him.