明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂东厂(chǎng )为(wéi )宦官(guān )把(bǎ )持，混淆黑(hēi )白，陷害忠良，朝(cháo )野内外(wài )噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的(de )西厂