明(míng )朝(cháo )成(chéng )化年间(jiān )，朝纲(gāng )腐败，奸邪(xié )当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺(tǐng )身而出，接连铲除东厂数名奸(jiān )佞(nìng )，致令阉贼胆战心惊。适值此时，风头正劲的西厂