A teenage girl, Carly Beth, wishes for a scarier mask to wear on Halloween and finds one at an old store. What she doesn't realize is that the mask itself is evil and has the power to take control of the wearer.
In order to get his annoying little sister Tara in trouble, Michael turns the cuckoo's head in his father's cuckoo clock backwards, but soon regrets it when he is transported back in time, with little chance of getting back to the present.
Brooke has won the lead role in her school's production of The Phantom, but talk of the play being cursed, the nightmares she is experiencing, and a series of apparent warnings make her fear the show will not go on.
When her mother leaves town to visit a sick relative, Margaret's concern for her father grows. She does not know what he is working on in the basement and cannot figure out why his behavior has changed.
After Larry and his friends use the contents of an expired bottle of instant tan, strange things start to happen: Larry begins to grow hair on unusual parts of his body, and his friends start to disappear.
When her family moves into a new house, Kat finds a sponge which appears to be alive, but no-one will believe her. After the discovery, the family is besieged by bad luck, and Kat is convinced the sponge is behind it.
Greg and his friends break into an old warehouse, where they find an unusual camera. However, the photographs Greg takes with it seem to predict disaster, and he becomes convinced the camera is cursed.