明朝成化年间，朝纲腐(fǔ )败，奸(jiān )邪当道。西厂东厂为(wéi )宦官把持，混淆(xiáo )黑白，陷害忠良(liáng )，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼(zéi )胆战(zhàn )心(xīn )惊(jīng )。适值此时，风头正劲的西厂