Soldier's Girl(1967)

Anita, a free Emilian girl falls in love with Salvatore, a Neapolitan bersagliere. The two would like to get married, but he drowns while bathing in the river. From that moment the woman is unable to love anyone else because, at the most beautiful, the ghost of her fiancé appears to her who, in the end, will be able to be followed in the other world.