主演：鲍勃·斯蒂尔 Claire Rochelle Kit Guard Carleton Young Ted Adams Robert Walker Robert Robinson Hal Carey
简介：Enroute to Borderville, looking for his father's killer, Bob (Bob Steele) stops a runaway horse carrying Mary (Claire Rochelle.) His pal Dan (Kit Guard), who has followed Bob against his orders not to, has a fight with one of Lambert's henchmen,
主演：鲍勃·斯蒂尔 吉恩·威廉姆斯 Lucile Browne 杰克·茂豪尔 珀内尔·普拉特 罗伯特·弗雷泽 卡罗尔·耐什 鲍勃·科特曼 Lafe McKee Edward Hearn Kernan Cripps Edward Peil Sr. 杰克·莫厄尔 Jack Perrin
简介：Chapter 1, "The Black Ace" opens with dam-project foreman Hank Davis hiring two stunt flyers he once flew with, Fred Cromell and Bill "Jellybean" Cook, to protect the dam from the air raids by a group known as the Mystery Squadron, und