Lu Zhou wakes up one day to find himself the world's strongest and oldest demon master, with nine wicked and powerful disciples. His eldest disciple is the leader of the Netherworld Cult, his second disciple is a sword demon who starts killing at the slightest disagreement... Having lost his cultivation, how will he teach these evil disciples? Eldest disciple Yu Zhenghai: "In my life, I've been invincible. Except for my master, no one can ride on my head." Seventh disciple Si Wuya: "If the master doesn't die, we will have no peace of mind!" ... Ninth disciple Yuan'er: "I will surely remember master's words and be a good person."