明朝成化年间，朝纲(gāng )腐败，奸邪当道。西(xī )厂东厂为宦官把持，混(hún )淆黑(hēi )白，陷害(hài )忠(zhōng )良，朝野内外噤若寒蝉(chán )。时有赵怀安（李连杰 饰）等(děng )流亡剑(jiàn )客挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值(zhí )此时(shí )，风头正劲(jìn )的西厂