A cruel circus owner beats and abuses his pregnant wife. One day the circus receives a leopard newly captured in Africa, but the animal soon dies. However, an evil creature that was inside the leopard bursts out of the animal's body, burrows into the wife's body and takes over her fetus. It soon starts demanding blood, and the woman goes searching for victims for her new "baby."

Supernana, David Grossexe, Simone Cuisse d'Acier, Jean-Yves Lafesse occupy during three nights of summer 82, with their guests, Radio Carbone locals, one of those numerous « free radio » created in France at this period.

A cruel circus owner beats and abuses his pregnant wife. One day the circus receives a leopard newly captured in Africa, but the animal soon dies. However, an evil creature that was inside the leopard bursts out of the animal's body, burrows into the wife's body and takes over her fetus. It soon starts demanding blood, and the woman goes searching for victims for her new "baby."