明朝(cháo )成化年间，朝纲腐败(bài )，奸(jiān )邪(xié )当道。西(xī )厂东厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若寒蝉。时有赵(zhào )怀(huái )安（李连杰(jié ) 饰）等流亡剑客挺身而出，接(jiē )连铲除东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此(cǐ )时，风(fēng )头(tóu )正劲的西厂