The Viennese child Leni Rossner accidentally gets separated from her tour group at the train station. Fortunately, luck smiles upon her when the kind-hearted young businessman Jørgen Wedel takes her to her destination: The Lassen family’s fashionable villa, Fredensro. As a friend of the family, he has been coming there for many years and, as expected, the family welcomes Leni with open arms and decides that she can stay there for the summer. It turns out that Leni’s presence brings peace and tranquility to the otherwise tense family dynamics, and she even finds time to play matchmaker for Jørgen Wedel and the Lassen’s 18-year-old daughter, Edith.