Horror starring Peter Cushing and Ron Moody. Reared by wolves, then raised by a travelling showman, an innocent-looking young man named Etoile arrives in 19th-century Paris. His affinity for animals lands him a job at a zoo where he falls for a regular visitor, Christine. However, love leads to jealousy and anger - dangerous emotions for a werewolf. Soon a series of grisly murders are puzzling Inspector Gerard and Paul Cataflanque, the city's canny coroner.