明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷(xiàn )害忠良，朝野内外(wài )噤(jìn )若寒蝉(chán )。时有赵怀安（李连杰 饰）等流亡(wáng )剑客(kè )挺(tǐng )身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时(shí )，风头正劲的西(xī )厂