In this episode, the heroic detective Chan Ka Kui (Jackie Chan) will travel to the mainland and transform into a prisoner to infiltrate an international arms and drug smuggling syndicate. With the help of beautiful mainland police officer Yang Jianhua (Michelle Yeoh), Jiaju successfully approaches Bao Qiang (Yuanhua), a member of the group who is serving a sentence. Leopard Qiang regards Ka Kui as his confidant, and...