明朝成化年间，朝(cháo )纲腐(fǔ )败，奸邪当道。西厂(chǎng )东厂(chǎng )为宦官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤(jìn )若寒蝉。时有赵怀安（李连杰(jié ) 饰(shì )）等流亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲的西(xī )厂