明朝成化年间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东厂为宦官把持，混(hún )淆黑白(bái )，陷害(hài )忠良，朝(cháo )野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等(děng )流(liú )亡剑(jiàn )客挺身而出，接连铲除东厂数名奸佞，致令阉贼(zéi )胆(dǎn )战心惊。适值此时，风头正(zhèng )劲的西厂