明(míng )朝成化年间，朝纲(gāng )腐(fǔ )败，奸(jiān )邪当道(dào )。西厂东厂为宦官把持(chí )，混(hún )淆黑白，陷害忠(zhōng )良，朝野内外噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流(liú )亡(wáng )剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正(zhèng )劲的西(xī )厂