An elderly heiress is killed by her husband who wants control of her fortunes. What ensues is an all-out murder spree as relatives and friends attempt to reduce the inheritance playing field, complicated by some teenagers who decide to camp out in a dilapidated building on the estate.
Mario Bava was born in San Remo on July 31, 1914, son of the director of photography, sculptor and pioneer of special effects Eugenio Bava, he is considered the father of Giallo cinema. His film Blood and Black Lace (1964) is considered one of the first and most influential works of the Italian giallo genre and would pave the way for other filmmakers such as Darío Argento or Lucio Fulci. Among his best-known works are Black Sabbath (1963), Planet of the Vampires (1965), Kill, Baby…Kill! (1966), Hatchet for the Honeymoon (1969), Five Dolls for an August Moon (1970), Roy Colt and Winchester Jack (1970), Four Times That Night (1971), A Bay of Blood (1971), Baron Blood (1972), and Shock (1977). Mario Bava died on April 27, 1980, at the age of 65 due to cardiac arrest.