It is one thing to open a beauty salon (which Edwige and her young lover Gaston have just done) but it is another to keep it on its feet.To best promote their speciality, fountain-of-youth treatments, Edwige decides to apply to the letter the old slogan "It pays to advertise" by posing as... Gaston's mother, a sixty-year-old woman, miraculously grown younger.

Hélène, married to Larsonnier, has developed a crush for Germont, her neighbor. One night, she is abducted and she discovers that her kidnapper is none other than Germont. But, to her dismay, he does not act out of love for her : his only motivation is money, which he proves by asking her husband a five-Million-franc ransom. After a long hesitation, Larsonnier finally pays the sum and Hélène returns to him. As for Germont, chased by the police, he goes on the loose... Some time later, Hélène is kidnapped one more time, and again by Germont! But this time around, this the elopement of her dreams.