When the residents of a luxury apartment complex outside Montreal are infiltrated by parasites and transformed into violent, sex-crazed maniacs, it's up to Dr. Roger St. Luc to contain the outbreak from spreading to the city.

• DAL Productions
• Canadian Film Development Corporation
• Paul Hampton
• Joe Silver
• Lynn Lowry
• Allan Kolman
• Susan Petrie
• Barbara Steele
• Ronald Mlodzik
• Barry Baldaro