Côme de Lambrefaut inherited the family castle on the death of his father, but the notary told him that all his property was mortgaged. However, he wants to keep the pack of one hundred and ten hunting dogs that make him proud. In September 1939, the castle was destroyed during a bombardment, and the dogs escaped from their enclosure.

A husband orders his wife to recover a lost slipper. The wife enlists the aid of her friend, Beatrice (Betty Stockfield) to bring the slipper to her in Switzerland, and Georges (Roger Treville) follows Betty.

The eponymous garçonne or flapper is Monique Lerbier, an emancipated French woman who leaves home to escape a marriage of convenience to a man she does not love which her parents have forced on her. She then falls into all sorts of carnal temptations and artificial pleasures previously unknown to her. These include her being seduced into a lesbian love affair by a chanteuse.

Madeleine Pascard, étudiante à la Cité Universitaire, s'éprend de Paul Davoust, qui collabore avec le docteur Leclerc. Georges, le fils de ce dernier, aime Madeleine. La rivalité de Georges et de Paul va s'accentuant jusqu'à une dispute qui se termine au chevet du docteur frappé d'une attaque dans son laboratoire. Madeleine, au moment de passer ses examens, apprend la mort de son père. Sa famille est ruinée. Elle cherche du travail et ne trouve qu'un emploi de taxi-girl dans un dancing. Paul a perdu sa trace ; il la retrouve au dancing, lui reproche de l'avoir trompé et de faire un tel métier. Peu après, Paul est blessé au cours d'une expérience. Madeleine accourt auprès de lui, ramenée par Georges, qui a prouvé à Paul qu'elle était digne de lui.

Jeanne Eagels plays the bored and restless Leslie Crosbie who turns to another man, Geoffrey Hammond (Herbert Marshall) for attention when neglected by her husband Robert (Reginald Owen). Robert decides to go out for the evening to pick up a new rifle. Leslie's calm vanishes as she awaits an answer to a letter she has written Hammond. He has found a new love - a beautiful unscrupulous native woman Li Ti (Lady Tsei Mei) and has discarded Leslie.