明朝成化(huà )年间，朝纲腐败，奸(jiān )邪当(dāng )道(dào )。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外噤(jìn )若(ruò )寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆(dǎn )战心(xīn )惊。适值此时，风头正(zhèng )劲的西厂