Fifteen year old boy Ondra (Vladimír Dlouhý) falls in love with a girl of the same age. The trouble is that they are actually two - twin sisters Anna and Jana.

Ann and Jane, the fifteen-year-old twin sisters, move with their parents to the prefabricated flat at the housing estate of Decín. A group of boys with mopeds, interested in them, watch as they all bring various things to their new home, but it is only Ondra that offers his help to one of the girls. The girls are indistinguishable but they differ in character. Jane is an energetic sportswoman while Ann is a peaceful, musing girl, fond of painting. And it is just Ann who attracts Ondra. Ann also likes Ondra and the two teenagers experience shyly their first love feeling.—NFA.cz