藉由未曾面世的私人录音带和档案影片，引领观众从路易斯阿姆斯壮的视角，洞悉他的人生故事。讲述他如何从音乐巨星成为民权运动家，进而成为世界知名艺人。

Loring "Red" Nichols is a cornet-playing country boy who goes to New York in the 1920s full of musical ambition and principles. He gets a job playing in Wil Paradise's band, but quits to pursue his dream of playing Dixieland jazz. He forms the "Five Pennies" which features his wife, Bobbie, as vocalist. At the peak of his fame, Red and Bobbie's daughter, Dorothy, develops polio...