When America enters World War II, jazz is part of the arsenal. Bandleaders like Glenn Miller and Artie Shaw enlist, taking their swing to the troops overseas. Many black Americans, segregated at home and in uniform, find themselves fighting for liberties their own country denies them. In a Harlem club called Minton's Playhouse, a small band of young musicians, led by Dizzy Gillespie and the saxophonist Charlie Parker, has discovered a new way of playing - fast, intricate, exhilarating, and sometimes chaotic. The sound will soon be called "bebop" and once Americans hear it, jazz will never be the same.