明朝(cháo )成化年间，朝纲腐败，奸邪当道(dào )。西厂东厂为(wéi )宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数(shù )名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正(zhèng )劲(jìn )的西厂