明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道(dào )。西(xī )厂东厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除(chú )东(dōng )厂数名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正(zhèng )劲的西厂