明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰(shì )）等流亡(wáng )剑客(kè )挺身而出，接(jiē )连铲除东厂(chǎng )数名奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此时，风头正劲(jìn )的西厂(chǎng )