明朝成(chéng )化年间(jiān )，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白(bái )，陷害忠良，朝(cháo )野内外噤(jìn )若寒(hán )蝉(chán )。时有赵(zhào )怀(huái )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，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂