5 bambole per la luna d'agosto

The name of this movie is 5 bambole per la luna d'agosto released in 1970-03-14 and it's main theme is A wealthy playboy gathers a group of bourgeois friends at his isolated beach house for a weekend of relaxation. When bodies start pilling up, they realize they’re trapped with a killer in their midst, sending them in a frenzy to figure out who amongst them is killing the others before they are killed next..