明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂(chǎng )东厂(chǎng )为宦官把持，混淆黑白(bái )，陷害(hài )忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东(dōng )厂(chǎng )数(shù )名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头(tóu )正(zhèng )劲(jìn )的西厂