A moving, magic and playful story about a young girl who, at the end of her life, learns to accept death and understands how wonderful life really is. The script is based on the novel by Jostein Gaarder.

The film is based on a 2003 novel by the same name, written by Norwegian author Jostein Gaarder. The main character is the young boy Georg who one day finds a long letter from his deceased father. The letter tells, among other things, about the father's youthful love for the mysterious "orange girl" (appelsinpiken), and leaves a mystery for Georg to solve.