Kung Wei (Jet Li), a undercover Chinese cop sent to track down a notorious criminal Po Kwong (Yu Rongguang) in Hong Kong. There, he ultimately teams with his son Johnny Kung (Xie Miao) and a another cop Anna Fong (Anita Mui), the both together are an incredible Kung Fu master-in-the-making. Together, they lay down the law in the final fight on Po.