明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有(yǒu )赵怀安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而(ér )出，接连(lián )铲(chǎn )除(chú )东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西(xī )厂