In this drama, an ex-WW II pilot leads a quiet life in Hong Kong when suddenly the US government asks him to do some spying. Reluctantly he accepts the request and begins helping a Chinese woman find her missing son, also a pilot. The American, assisted by a Russian pal, finds the boy, but then gets romantically entangled with an American agent trying to sell a secret formula. As he helps her escape, she is killed and he returns to Hong Kong where he refuses to do anymore work for American intelligence.