明朝(cháo )成化年(nián )间，朝(cháo )纲腐败，奸邪当(dāng )道(dào )。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野(yě )内外(wài )噤(jìn )若寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的(de )西厂