Sumala, a name that is feared by people in a village in Semarang Regency from the past until now. No one dares to go out when night falls because Sumala will come to kill.。海州陈家家主的私生子陈良，少年天才，16岁时突然天赋消失，与母亲妹妹被逐出陈家。因缘际会之下成为夜帝，专为国家清理叛徒，杀满1000人可以退休。陈良刚处理完第999个叛国者，回到驻地被指婚对象，新晋南帅刘嘉尔上门退婚......。