This movie is quite entertaining [If you are a horror fan, that is. If you own a guinea pig, DON'T watch this]. The film involves a high school honor student Vernon Potts [who's only friend is a nice girl] trying to make a serum for his pet guinea pig, "Mr. Mumps." The formula goes wrong, Mr. Mumps turns evil, and Mr. Mumps kills the janitor's cat [yes,really!]. The Janitor already has a distrust towards Vernon, so he makes Vernon drink the formula. After this, Vernon goes on a killing spree. Here is a list of the victims: The Janitor, The English Teacher, The P.E. Teacher,and The Jock. Eventually, the cops catch up with him and shoot him to death. Enjoyable, if you have a strong stomach.