Most of her colleagues take Mária, the new teacher to be a communist party-worker, only Irma and the drawing teacher Zoli treat her kindly. Mária starts working with great enthusiasm, and her class learns to love her in a short time.

The celebrated actor considers his wife a nitwits actress of a mediocre talent. But an influential playwright, a friend of theirs, has written a play with the main role designed for her, Kati, particularly. Its title is "The Most Intelligent Woman in the World". On the day of the first night performance Kati recalls their past, the times she had together with her husband.

The continuation of the series about the adventures of Major Kardos and former police Lieutenant Droplet who are busy now with an investigation of an European drug cartel which operates across Greece, Hungary and Germany.