Deep South Italian seventies. The performing and penniless sales representative "Tano" Avallone, fell in love with the beautiful Mariangela, sixteen-year-old daughter of the widowed lawyer "Totonno" Fortis Pantaleo. In order to approach the girl, he enters the graces of the professional, posing as his childhood friend and saying he is willing to eliminate the elderly Donna Mercedes, mother of these, so that he can inherit the substances. Guest of the family, Tano finds himself involved in a whir...