明朝(cháo )成(chéng )化(huà )年间，朝纲腐败，奸邪当(dāng )道。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野(yě )内外噤若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰(shì )）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战心(xīn )惊。适值此时，风头正劲的西厂