明朝成化年间，朝纲(gāng )腐(fǔ )败，奸邪当道。西厂东厂为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵(zhào )怀(huái )安（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此(cǐ )时，风(fēng )头正劲(jìn )的(de )西厂(chǎng )