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!

• DirectorRobert Clouse
• Release23 October 1982
• Genre
  Horror / Science Fiction
• Duration1h 27m
• Budget?
• Revenue?
• Rate
  

  6.0
  40 reviews
• Productions

  J.G. Arnold & Associates, Orange Sky Golden Harvest, Filmtrust Productions, Northshore Investments