明朝成化年间，朝纲腐败，奸邪当道。西(xī )厂东厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等(děng )流亡剑客(kè )挺身而出，接连铲(chǎn )除东厂数名(míng )奸佞，致令阉贼胆(dǎn )战心惊。适(shì )值此时，风头正(zhèng )劲(jìn )的西厂