Jack (Jackie Chan), a world-renowned archaeologist, has begun having mysterious dreams of a past life as a warrior in ancient China. When a fellow scientist asks for Jack's help in locating the mausoleum of China's first emperor, the past collides violently with the present as Jack discovers his amazing visions are based in fact. Assisted by the spirit of a noble princess, Jack follows a mystical trail that soon finds him battling the forces of the legendary emperor, as well as the henchmen of a modern day tomb raider, as he seeks to uncover history's greatest secret -- and his own destiny.