Sam Kinny has always stuck to a diet of only white foods, but when his friend Kevin's strange Aunt Sylvie puts a weird spice on his macaroni and cheese he finds himself gobbling up everything from paste to dog food and has to do something before his body explodes.

Zack believes that his teacher, Senorita Huesos, who lives in the Fear Street Cemetery and always calls on him in class, is a ghost, and he has to get rid of her.