明朝成化(huà )年间(jiān )，朝纲腐(fǔ )败，奸(jiān )邪当道。西(xī )厂东(dōng )厂为(wéi )宦官把持，混(hún )淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰(jié ) 饰）等流亡(wáng )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。适值此时，风头正劲的西厂