1) A young girl comes home from school to find an ambulance leaving her house, learning that her mother had suddenly died of unknown causes. 2) Unable to see her mother's dead body or attend her burial, the girl imagines her mother living on as a tree in their yard to continue feeling her presence. 3) Over the years, the girl invents an entire life for her mother, pretending she is living abroad and doing various activities, because she cannot accept her mother's death.