明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白(bái )，陷害忠(zhōng )良，朝野内外噤若寒蝉(chán )。时(shí )有赵怀(huái )安（李(lǐ )连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值(zhí )此时，风头正(zhèng )劲的西厂