明朝成化年间，朝纲腐败，奸(jiān )邪当道。西厂东厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外(wài )噤(jìn )若寒蝉。时有赵怀安（李连(lián )杰(jié ) 饰(shì )）等流亡剑客挺身而出，接(jiē )连(lián )铲除东厂数名奸佞，致(zhì )令阉贼胆(dǎn )战(zhàn )心惊。适值此时，风头正劲(jìn )的西厂