After several years abroad Michal Nor comes back home to his aunt Pa and his sister Eva who just came back from board school. Aunt Pa is having a birthday soon and Eva knows that she would very much like the recipe for growing a special species of rose that her neighbor Mr. Záhorský had bred. However her aunt has difficult relationship with her neighbors and so Eva wants to steals the recipe. She poses as the neighbors’ secretary. By coincidence Michal is also in the house but impersonating an English earl. And so begins a chain of funny accidents and misunderstandings.