The only child of over-protective parents Sarah Lewis yearns to leave home. Studying hard to please them she earns a place at Cardiff University. Here she is swept off her feet by handsome Gwyn Roberts but when she becomes pregnant her parents are devastated & turn her from their door. All Gwyn & Sarah can afford are two squalid rooms in the infamous slums of Cardiff & Sarah soon realises shes made a terrible mistake. Gwyn becomes increasingly distant & when the baby dies in infancy he leaves Sarah with little choice but to fall on her parents mercy. But just when Sarah is starting to pull her life back together again she is drawn to the charms of Stefan Vaughan & finds herself in trouble once more...