明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李连杰 饰(shì )）等流亡剑客挺(tǐng )身而出，接(jiē )连(lián )铲除东(dōng )厂(chǎng )数名奸佞，致(zhì )令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂