It is late at night and a married couple has just returned home from a party, where they met a former school friend of the wife and a famous singer. The husband has been charmed by the seductive and elegant woman, and this makes him treat his wife, who has gone straight back to being a housewife, condescendingly. Talking about the evening, the husband praises the school friend’s beauty and intelligence. This makes his wife reveal the advances she received from the singer and the compliments he paid her; the man may be affected, but made her feel she was still desirable. When she realises her husband is jealous, the wife decides to teach him a lesson. She puts on an elegant, flimsy dress he has never seen before and pretends to turn into the ‘modern-day woman’, emancipated and free that her husband so admires. Initially, he likes the change; but that is only the beginning. Soon the husband discovers that his wife’s transformation goes a lot deeper. She is now a whimsical woman who wants to live a life of luxury, drink champagne and have an endless string of lovers. The husband will now dance with her perhaps for the last time. The noise wakes up their child, but the wife, uncharacteristically, treats the boy coldly, and the husband has no choice but to look after him himself. When, for some strange reason, the gasman rings the door at midnight, the wife claims she spent the money her husband gave her to pay the bill on clothes. If their gas is cut off, they will have to move into a hotel and get used to living a fashionable life of debts. The wife has started packing her bags when the telephone rings - it is the singer, inviting them out. The woman suggests they all go together, with her husband and school friend, to a night-club, so they can continue their lovely evening, making it clear that she is willing to change partners. Only when the husband, in despair, accuses her of ruining his happiness does the wife realise she has finally won, and o