A large family gathers in the country side for their very elderly grannies' birthday. One gift happens to be from their ostracized, black sheep nephew, and upon opening it, the two loveable grannies turn into rabid, flesh-eating monsters.

Catherine Aymerie
as Helen

Caroline Braekman
as Suzie

Richard Cotica
as Gilbert

Danielle Daven
as Elizabeth Remington

Patricia Davia
as Alice

Robert Du Bois
as Father Percival

Florine Elslande
as Bertha

Anne-Marie Fox
as Victoria Remington

Franklin Steward Granvel
as Publicity Executive

Paule Herreman
as Miss Barnstable