Criminals steal a death ray that concentrates the rays of the sun. The inventor's daughter and a government agent try to retrieve it. 18 episode adventure serial. Criminals steal a death ray that concentrates the rays of the sun. The inventor's daughter and a government agent try to retrieve it. 18 episode adventure serial. Criminals steal a death ray that concentrates the rays of the sun. The inventor's daughter and a government agent try to retrieve it. 18 episode adventure serial. Criminals steal a death ray that concentrates the rays of the sun. The inventor's daughter and a government agent try to retrieve it. 18 episode adventure serial.