A documentary about the amazing life of Leon Theremin, inventor of the theremin, the electronic musical instrument so beloved of 50s sci-fi movie music. Theremin amazed America with his instrument until his kidnapping by Soviet agents in the mid-30s. Upon his release from a labor camp, he worked on surveillance devices for the KGB. Almost 60 years later , he is brought back to America for a touching reunion with his friends and colleagues. Written by Erik Gregersen