After being raped by a gypsy, Maddalena (Phyllis Calvert) develops a split personality. Years pass and she marries and starts a family in Rome. But, unbeknownst to her loving daughter Angela (Patricia Roc) and wealthy husband, Maddalena leads a double life. For days at a time she disappears to Florence, where she becomes a sultry gypsy girl and moll to crafty thief Nino (Stewart Granger). But Maddalena's secret is exposed when her daughter decides to follow her one day.