British filmmaker Dollan Cannell uncovers the U.S. government's long list of plots -- 638 to be exact -- to assassinate Cuban president Fidel Castro in this thought-provoking documentary about communism and the Cold War. Some of the more ludicrous-sounding schemes involve the use of exploding cigars, leggy murderesses, poison-filled syringes posing as ballpoint pens and advice from James Bond creator Ian Fleming.