Mulia Bubnov and the Evil FuFa got into an argument, the outcome of which could influence the future of Soviet cinema and theater. However, no one knows that Mulia has two advantages. First, he is a time traveler and knows how everything will turn out. Second, that advantage remains a secret. In addition, the milling machine operator Grigory, for unknown reasons, disliked the theater and decided to deal with it in his own way.