At a party, a girl is bitten by a vampire. A young man finds her unconscious and brings her to his home. But the bite does not go away, besides the girl is annoyed by daylight.

Sveta Vasilkova - my mother's "Firefly" - moves from a tiny village to the city to study at an elite school. The appearance of a strange newcomer in a red cap, who seems too smiling and naive, immediately changes the usual life of the class. The future elite of society is forced to look at themselves from the outside and find not the best features. Not everyone is ready for this, and a split occurs in the group. In order to somehow return the guy's attention, the beauty and leader of the company Zhenya decides to reveal the girl's secret.

Having accidentally committed a crime, Victor tries to evade responsibility and flees. He meets Nika and falls in love with her. The young people are trying to arrange Victor's illegal escape abroad, but events take an unexpected turn.

After a fight with her husband, a girl comes to a Latin American dance class, where she realizes that she is attracted to a guy with whom she accidentally ended up in a pair. Will she give in to the attraction despite the image of a good girl in her head?