In a Liverpool torn by the Depression, Daisy Gallagher grows to womanhood the hard way. She is the mainstay of her poverty-stricken family and the devoted friend of Nellie O'Brian, who is dying for lack of medical attention. Daisy's desperation for money leads her into the darkened streets and into the arms of drunken sailors willing to pay for their relief. Through her own strength and suffering, Daisy earns enough to pay for her friend's much needed medical attention. Her family know nothing of her occupation, but when her stoker husband returns from the sea Daisy realises, terror-stricken, that the moment of truth has finally arrived...