明朝成化年间，朝纲(gāng )腐败，奸(jiān )邪当道。西厂东厂(chǎng )为宦官把持，混淆黑白(bái )，陷害(hài )忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值(zhí )此(cǐ )时(shí )，风头正劲(jìn )的西厂