明朝成化年间，朝纲腐(fǔ )败，奸(jiān )邪当道。西厂东厂(chǎng )为(wéi )宦(huàn )官把持，混淆黑白，陷害忠(zhōng )良，朝(cháo )野内外噤若寒蝉。时有(yǒu )赵(zhào )怀安（李连杰 饰(shì )）等流(liú )亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂