明朝成化年(nián )间，朝纲腐败，奸(jiān )邪(xié )当(dāng )道。西厂东(dōng )厂为宦(huàn )官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺身而出，接连(lián )铲除(chú )东(dōng )厂数名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正(zhèng )劲(jìn )的西厂