Inspector Tellini investigates serial crimes where victims are paralyzed while having their bellies ripped open with a sharp knife, much in the same way tarantulas are killed by the black wasp. As suspects keep dying, Inspector directs his attention to a spa all the victims had a connection with.
Annabella Incontrera, Antonio Anelli, Barbara Bach, Barbara Bouchet, Carla Mancini, Claudine Auger, Daniele Dublino, Eleonora Giorgi, Ettore Mattia, Eugene Walter, Ezio Marano, Filippo Perego, Fulvio Mingozzi, Giancarlo Giannini, Giancarlo Prete, Giorgio Dolfin, Giuseppe Fortis, Guerrino Crivello, Nino Vingelli, Rossella Falk, Silvano Tranquilli, Stefan
Horror, Mystery, Thriller