"Kaska" is a comedy that, despite its genre, touches on an important topic: compliance with labor protection regulations on construction sites. The film's script is based on the story of Lena's jealousy of her boyfriend Kostya, who works at a construction site. Suspecting him of cheating, she comes to find out about Kostya's work and breaks his helmet in a fit of jealousy. However, she does not suspect that this can lead to tragic events.