明朝(cháo )成化年间，朝纲(gāng )腐(fǔ )败，奸邪当道。西厂东厂为宦官把持，混淆黑(hēi )白，陷害忠良，朝野内外(wài )噤(jìn )若寒蝉(chán )。时有(yǒu )赵怀安（李连杰(jié ) 饰）等流(liú )亡剑客挺(tǐng )身(shēn )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，风头正劲的西厂