After escaping Russia's communist revolution, Léon Theremin travels to New York, where he pioneers the field of electronic music with his synthesizer. But at the height of his popularity, Soviet agents kidnap and force him to develop spy technology.

The documentary examines Frank Zappa and his music through archive footage, including unique video excerpts from Austrian television archives featuring interviews with Zappa and backstage scenes from the 1970s and 1980s. The entire film is divided into chapters discussing the most important themes in Zappa's life and work.