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!
Bunty Webb, Cec Linder, Charles Jolliffe, David Hughes, Dora Dainton, Guy Sanvido, Jack Van Evera, James B Douglas, Joseph Kelly, Lesleh Donaldson, Lisa Langlois, Michael Fawkes, Michael Hogan, Michael McManus, Roger Dunn, Sam Groom, Sara Botsford, Scatman Crothers
Horror, Sci-Fi