明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客(kè )挺身而出(chū )，接(jiē )连铲除东厂数名奸佞，致令(lìng )阉贼胆(dǎn )战(zhàn )心惊。适值此时，风头(tóu )正(zhèng )劲的西厂