Mystery Squadron: Chapters 1-12

Two freelance pilots (B-western heroes Bob Steele and Guinn "Big Boy" Williams) come to the aid of a friend working on a dam construction project when the site is attacked from the air by a felonious flyer known as "the Black Ace." Thrilling serial co-stars Lucile Brown, Jack Mulhall. 12 chapters; 3 2/3 hrs. Standard; Soundtrack: English. Plays All Regions.