Blueprint of Murder (1961)

The handsome Yuzo Kayama plays the protagonist, Jirô Kusaka, a whale-hunting cannon manufacturing supervisor, whose brother, a car tester for Komatsu Motors, was killed in an accident early in the film. He investigation is joined by his college friend Ken Sudo (played by Makoto Sato), now a reporter......There is industry espionage, high-class night club, femme fatale and lots of action.