明朝成化年(nián )间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂为宦官(guān )把持，混淆(xiáo )黑白，陷(xiàn )害(hài )忠良，朝野内外(wài )噤(jìn )若寒蝉(chán )。时有赵怀安(ān )（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心(xīn )惊。适值此时，风头正劲的西厂