The film revolves around three struggling actors Michio, Gunji, and Enoken, who share a house together. One day, they find a baby girl left with a letter from Michio's ex-girlfriend. They name the child "Don-chan" and embark on the journey of raising her, despite their initial confusion.
A woman and a man are enjoying camping. They are not lovers but more than just friends, and not family. The relationship that was supposed to last a lifetime is gradually twisted by the man's words... What lies in the future for the two of them?