A dramatic story of several young people, taking place one night in a hotel in Zlín.

The story of the film is based on the classical tale about seven naughty sons, whom their mother cursed in anger and thus turned into ravens. When their youngest sister grew up, she decides to find her brothers and to free them. However, she falls in love with a young Prince.

A successful scientist dares to openly and forcefully criticize the unproductive activities of the institute in which he works. He draws attention to outdated procedures and also to the fact that scientific work must not fall into the abyss of mediocrity and everyday grayness, so typical of the entire society. Will his career withstand this situation?