明朝成化年间，朝(cháo )纲腐败(bài )，奸邪(xié )当(dāng )道。西厂东(dōng )厂为宦官把持(chí )，混淆(xiáo )黑白，陷(xiàn )害(hài )忠良，朝野内外噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂