Master Mao (Eric Tsang) is a warrior who had participated in the Boxer Rebellion. Mao is responsible for guarding Huang Jin Xia town, which have gathered many revolutionaries around China. There, they do not discuss about revolution nor care about politics and lead peaceful lives. Xilian (Gigi Leung), a woman who was rescued by Mao, is oblivious that years ago, Mao not only rescued her and her child, he also rescued her heart.
