Corn grain contaminated with steroids produces large rats the size of small dogs who begin feeding on the residents of Toronto. Paul, a college basketball coach, teams up with Kelly, a local health inspector, to uncover the source of the mysterious rat attacks and they eventually try to prevent the opening of a new subway line as well as find the mutant rats nest quickly, or there will be a huge massacre of the entire city!
as Paul Harris
as Kelly Leonard
as George Faskins
as Dr. Louis Spenser
as Trudy White
as Martha
as Mel Dederick
as Tim Harris
as Matt
as Hoserman
as Skip
as Liz
as Doctor Gordon
