AllMovie

La Ragazza del Metro translates to The Girl on the Underground -- "underground", of course, referring to "subway." That girl, played by Roberta Olivieri, is wealthy but doesn't want anyone to know it. She is especially determined to keep this information from the handsome pianist (Nino D'Angelo), with whom she has fallen in love. The truth eventually outs when the girl's jealous lover exerts his brutishness upon her. Caring not a whit about class distinctions, the pianist is only concerned with rescuing his lady love from her vicious "protector."