Nick Condon. (James Cagney) is a journalist for the Tokyo Chronicle. He prints a story disclosing Japan's plan to conquer the world. Condon obtains the Tanaka Plan, a paper in which all the plans are described. The Japanese spies who follow him think that Ollie and Edith Miller (Wallace Ford and Rosemary DeCamp) are the ones who discovered the plan because they are suddenly returning to the USA. When Condon goes to the ship to bid them farewell, he finds Edith dead. He sees a huge ruby ring on her hand. He locates Ollie and gets the Tanaka plan from him. Condon is being followed everywhere now, so he hides the Tanaka plan behind the Emperor Picture. Condon meets Iris Hilliard (Sylvia Sidney), he falls in love with her, but believes she may be betraying him, especially when Condon sees the ring with the ruby in her hand. You'll just have to watch this movie to see how this suspenseful story ends. Cagney is superb! Blood on the Sun won an Academy Award for best direction in 1945. (90 minutes - 1945 - Black & White - 4:3)