Watch Knights of Swing for Free: How to Stream the Movie Online at 123Movies. . Set in 1947, Knights of Swing is a feature film that chronicles a group of young jazz musicians whose dream is to form a “really swingin’ Big Band”. Unfortunately, things prove much more complicated when the community objects to the diversity of the band. Alliances form, and lines are drawn. What follows is soul searching, uplifting, and through music, our story illuminates forgiveness, healing and unconditional love.