Chan, an articulate senior detective nearing the end of his career, is taking care of the daughter of a witness killed by ruthless crime lord Po. Martial arts expert Ma is set to take over as head of the crime unit, replacing Chan who wants an early retirement.

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.