明朝成化年间，朝纲腐败，奸邪当(dāng )道(dào )。西厂(chǎng )东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外(wài )噤(jìn )若寒蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉(yān )贼胆战心惊。适值此时，风头正劲的西厂