明朝成化年间，朝(cháo )纲腐(fǔ )败，奸邪(xié )当道。西厂东(dōng )厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤(jìn )若寒蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除(chú )东(dōng )厂数名奸佞，致令(lìng )阉贼胆战心惊。适值(zhí )此时，风头正劲的西厂