明朝成化年间，朝(cháo )纲腐败(bài )，奸邪当(dāng )道。西(xī )厂(chǎng )东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流(liú )亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致令(lìng )阉贼胆(dǎn )战心惊。适值此时，风(fēng )头正劲的西厂