明朝成化年间，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若寒蝉。时有赵怀(huái )安（李连(lián )杰 饰）等流亡剑客挺身而出，接连(lián )铲除东厂数名奸(jiān )佞，致令(lìng )阉贼胆战(zhàn )心惊。适值此时，风头正劲的西(xī )厂