Rosie has been whirling through the house, flashing her great big diamond ring that she thinks came from the boy she loves. Her happiness is brimming and overflowing, and no-one has the heart to tell her that the ring came by a devious and unpleasant route. It was Norma's - the girl to whom Walter was engaged - and when Walter wanted the ring to trade in for some ready money, Norma sent it to Rosie, in order to create a crisis...