A good bourgeois couple have adopted Monneke, a country boy. Maybe they should not have as their peaceful life is turned upside down by the antics of the little rascal.

Four aspiring young artists live together in the same apartment: Monika wants to be an actress ; Sonny, her sister, studies at the Academy of Fine Arts ; Marina dreams of being a professional dancer ; and Lena hopes to be a singer. One day, Victor and Helena, Monika and Sonny's uncle and aunt, come to visit them unannounced. As they are conservative people, the four friends do their best to hide their free lifestyles from them. On the other hand, the girls realize that it is now or never for them and one by one they end up landing the long hoped-for assignments. But, sentimentally, Monika is not happy. She does not care for her rich fiancé. The one she would like to share her life is a mere garage mechanic...