明朝成化年间，朝纲腐(fǔ )败，奸邪当道(dào )。西厂东厂(chǎng )为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内(nèi )外(wài )噤若寒(hán )蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战(zhàn )心惊(jīng )。适值此时，风头正(zhèng )劲的西厂