Released in 1952, Invasion U.S.A. begins when a mysterious stranger engages a diverse group of Manhattan bar patrons in a discussion on the best way to beat Communism. Suddenly, a real Red Alert is declared and enemy parachutists by the thousands begin landing on American soil! Soon atom bombs are dropping. Through it all, a suave, street-smart reporter and a beautiful debutante desperately try to find time for romance amid the chaos…