A movie director wants to film an operation by Black Jack to save his son who has a severely compromised immune system due to a congenital disorder. Black Jack is the only one who can even attempt an operation on the very weak boy, and in the end saves the boys life. Although at first the powers that be refused to distribute the movie to other doctors because Black Jack was unlicensed, he reveals that he had made a second version of the film for doctors that made it appear that another doctor performed the miracle surgery.