 It was made during the 2-year period when the Hayes Office put a moratorium on horror movies, Lugosi's usual genre, and in the midst of Byrd's notoriety for the highly popular Dick Tracy serials.Boroff is a mad scientist who has invented a "disintegrator gas" and plans to smuggle it to his buyers in Morovania.When his ship, the Carfax, gets stranded on outlying rocks in the first chapter, the Coast Guard comes to rescue him.