明朝成化年间，朝纲腐败，奸(jiān )邪当(dāng )道。西厂(chǎng )东厂为宦官(guān )把持，混淆黑白，陷害忠(zhōng )良(liáng )，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除(chú )东厂(chǎng )数名奸佞，致令阉(yān )贼胆战心惊(jīng )。适(shì )值此(cǐ )时，风头正劲的西(xī )厂