Yulia Kiseleva attempts to uncover the story behind one of the most enigmatic Soviet experiments and discover why the film based on it vanished along with its creator. Her investigation leads to director Tatiana Chivikova, who disappeared from the film world and public life in the mid-1990s. After years of silence, she reaches out to cinematographer Sergey Astakhov; for him, this film had served as his student project at VGIK and the launchpad for a major career in cinematography.