The story happened after the departure of Ever 9, who fell in love with a human. The leader of the Ever series, Ever 4, in order to fight for his rights as an AI, was sent to the Luo family as a deacon and bodyguard. Facing the rebellious young master of the family, Luo Bu Shi, how can Ever 4, who is used to being in control, keep his young master in line? Due to his family's financial situation, Lin Jia Qian worked at construction sites and delivery during school breaks, as well as at a cafe during holidays. One time Lin Jia Qian was being chased by a gangster on his way to collect a debt, he bumped into Zhou Zhen Qun. Lin Jia Qian recognised at first sight that Zhou Zhen Qun was the person he had been waiting for, and this fated encounter started.