Chen Yu, an intern, suddenly receives a phone call claiming that his five-year-old daughter has gone missing. He has never even dated anyone, yet he is forced to acknowledge this adorable child who has seemingly appeared out of nowhere. Even more shocking, the child's mother turns out to be his female CEO boss, Su Wanqing. The little girl claims to have traveled through time from eight years in the future. Through their hilarious everyday interactions, the two go from disliking each other to gradually falling in love, and with the little one's incredible matchmaking, they eventually turn from bickering rivals into a real family.