After traveling back to the modern city, young Lu Jingyuan wakes up to find eleven children from ancient times by his side. Faced with an unfamiliar modern life, he takes on the roles of both father and mother, teaching the children to read, go to school, and follow the rules, while also taking them shopping at supermarkets, watching movies, and participating in competitions. Each child has their own talents, and they are all sensible and warmhearted. Together, the family supports one another and grows together. Despite the curiosity and attention of outsiders, Lu Jingyuan always puts companionship and protection first, demonstrating responsibility and commitment through his actions.