The Potters of Kensington take for granted all the comforts of their position. Cyril Potter is a secret gambler whose debts have become so crippling that he can see no way out, and he commits suicide. Left to clear the debts, his family are forced to sell everything the own. As daughter Kate labours in a hat-making factory to support the family, she catches the eye of the wealthy factory owner. But tragedy strikes the family once more when unmarried Kate is left pregnant...