明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂为(wéi )宦(huàn )官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时(shí )有赵怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲除(chú )东(dōng )厂数名(míng )奸佞，致令阉贼(zéi )胆(dǎn )战心惊。适值此时，风头正劲的西厂