"Britt Reid," the millionaire publisher, dons a mask and goes out to fight crime in his famous automobile, "The Black Beauty." "Kato," the Korean science wizard, whom "Britt" saved from attackers years ago, has now pledged his life to serving "Reid" any way he can. Each chapter opens with the familiar Green Hornet theme, "Flight Of The Bumblebee." This is the first of two film serials distributed by Universal Pictures. 13 chapters total; 3/13.