The millionaire grandson of entrepreneur Dénes Bartos is hired as a tutor. Gábor Horváth Horváth of Monori, a doctor, drops his Monori name and goes down to Bartos Castle as Gábor Horváth to earn money to become independent of his industrialist father. His apprentice Gyurika is not the cutest kid, it has to be said, but his sister Lilian is really beautiful... And that's enough for a romantic, peaceful film.