The untold story of Chinese and Americans standing side-by-side, fighting together and dying together on the highest, most rugged battlegrounds of WWII. In May 1942, the Japanese 15th Army conquered Burma and southwest China. Only a desperate defense by disorganized and defeated Chinese troops and the war-weary remains of Claire Chennault's mercenary Flying Tigers stopped the advance at the Salween River. For two years, the people of southwest China lived under an oppressive Japanese occupation while Generalissimo Chiang Kai-shek, President Franklin Roosevelt, General Joseph Stilwell, and Major General Claire Chennault bickered over what to do next. Finally, in May 1944, the Chinese Expeditionary Force, with American supplies and advisors, supported from above by the legendary 14th Air Force, crossed the Salween to take back what they had lost.