明朝成(chéng )化年间，朝纲腐(fǔ )败(bài )，奸邪当道。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等(děng )流(liú )亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉(yān )贼(zéi )胆战心惊。适值(zhí )此时，风头正劲的西(xī )厂