Chinese laborer Nick (Jackie Chan) fights the yakuza after coming to Japan illegally to search for his fiancée Xiu Xiu in this intense crime drama. After locating his brother Joe, Nick learns that Xiu Xiu is engaged to aspiring crime boss Eguichi, with whom he forms a shaky alliance. But when Nick establishes a gathering place for Chinese laborers and Eguichi uses Nick's friend to smuggle drugs, a war begins to brew.