On a beautiful weekend holiday, Nohara Shinnosuke (voiced by Akiko Yajima) and his father Hiroshi (voiced by Keiji Fujiwara) went to see a sci-fi movie about robots. After walking out of the movie, the father and son excitedly played a combination game, but Hiroshi accidentally sprained his waist. Unable to bear his wife's nagging, Hiroshi went to the hospital for treatment, but the hospital was closed on weekends, so the father and son had to come to the park to rest, but they were driven out by the mothers' group. When the father and son were walking on the way home, the sexy Hiroshi was attracted by the beautiful receptionist of a massage shop, so he sent Xiaoxin home and followed her into the shop. Hiroshi, who woke up from a coma, went home at a rapid speed, which scared the whole family. It turned out that he was converted into a robot by a beauty salon. After the initial shock and fear, the Nohara family gradually got used to this new father who was all-powerful in housework. However, with more and more machine fathers in the city, potential crises have quietly surfaced...