After a young man is bitten on the hand by a radioactive snake, his hand changes into a lethal snake head, which attacks everyone he comes into contact with. Also, his body becomes filled with snakes. Now, he must prevent himself from hurting others.

High school student Paula Carson's affections are being sought after by two of her classmates: Dwight, the "bad boy", and Brian, a disturbed young man who has just been released from a mental hospital where he was committed following the suspicious death of his father. Soon after being released, more murders start happening. Is Brian back to his old tricks, or is Dwight just trying to eliminate the competition?

11-year-old Lisa has no time for toys; she's too busy taking care of her siblings and cooking for her mother. During the Christmas Eve blizzard, Lisa travels to Toyland in Wizard of Oz-like fashion and arrives just in time for a wedding. Young Mary Contrary is about to marry mean, old Barnaby Barnacle, despite the fact that she loves Jack Be Nimble. Lisa tries to stop this terrible wedding and, together with her new friends, discovers that Barnaby wants to take over Toyland. Lisa, Mary, Jack, and Georgie Porgie ask the Toymaster for help, but he can't help them as long as Lisa doesn't truly believe in toys.