Participants in a psychological experiment set off on a journey to reveal a real murder. The big game has begun: each of the seven must play their part in the scenario devised by Professor Trónov, who придумав this criminal farce. Dreamy, cowardly, envious, desperate, not alike—like characters from a child’s rhyme—they are simply people who must outplay someone else’s rules. And to make it even harder—they must defeat themselves.