明朝成(chéng )化年间，朝纲腐败，奸(jiān )邪当道。西(xī )厂东(dōng )厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰(shì )）等流亡剑客挺身(shēn )而出，接连(lián )铲除东厂数名奸佞，致令阉(yān )贼胆(dǎn )战心(xīn )惊。适值此时，风头正劲(jìn )的西厂(chǎng )