Young Jana brings her divorced lover Petr to her apartment. However, her relatives return early from the cottage and Jana decides to pass off Petr as one of the admirers of her charming mother Helena, who works as a model. When Petr leaves, her grandmother decides that Helena's uninhibited life full of admirers and lovers must end and decides to find her a groom. She intends to invite the suitor to her birthday party. However, she is not the only one involved, and so on the appointed evening sev...