New Happy Dad and Son 4: Perfect Dad is a theatrical animated feature film presented by CCTV Animation Group. Since its premiere in 1995, the "Datou +" franchise, a well-known classic IP in China, has had almost ten seasons of TV animated series and has successfully released four animated feature films, all of which have gained good market effect and public praise. This film continues the warm and humorous parent-child story, shows artificial intelligence technology from the perspective of children, and presents a visual feast full of marvelous fantasies for the audience with splendid adventures in the digital world. The film tells the story of Datou the big head son accidentally entering a virtual world and experiencing all kinds of cool and fantastic experiences with the "Perfect Dad" evolved from artificial intelligence. The "Perfect Dad" gradually obtains human emotions during his time spent with Datou, and wants to trap Datou in the virtual world forever. To get his son back, Xiaotou the small head dad comes to the virtual world together with Apron Mom, Datou’s good friend Marshmallow, and their pet hen A-hua. They compete with Perfect Dad with wits and courage. Eventually, the family returns to the real world together. By shaping the two characters -“Perfect Dad who can meet all children’s wishes” and Xiaotou who is not perfect in reality, the film guides children to treat and understand their parents’ love in a proper way.