明朝成化年间，朝纲腐败，奸邪当(dāng )道。西厂东(dōng )厂(chǎng )为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客(kè )挺身而出，接连(lián )铲除(chú )东厂数名奸佞，致令阉(yān )贼胆战心惊(jīng )。适值此时，风头(tóu )正劲的西厂