明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若(ruò )寒蝉。时有(yǒu )赵怀安（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身而出，接连(lián )铲除东(dōng )厂数名奸佞，致令阉贼胆战心(xīn )惊。适值(zhí )此时，风头正劲(jìn )的西厂(chǎng )