Major Chick Davis proves to the U.S. Army the superiority of high altitude precision bombing, and establishes a school for bombardiers. Training is followed in semi-documentary style, with personal dramas in subplots. The climax is a spectacular, if somewhat jingoistic, battle sequence. 在第二次世界大战爆发后，戴维斯和他的学生驾驶轰炸飞机将攻击东京
