''My Sweet Orange Tree'' begins with José Mauro de Vasconcelos (Caco Ciocler) receiving an edition of his finished novel. Then, the film starts to tell the story from the writer's memories, through flashbacks. Zezé (João Guilherme Avila), a boy of eight years who lives in Minas Gerais in a very humble house with his family, consisting of his father (Eduardo Dascar), an unemployed and alcoholic, and his mother (Fernanda Vianna), which works to support the home and his brother and sisters. Despite the lack of understanding, affection and the aggression suffered by from his father and school colleagues, the boy has a great skill for storytelling using his imagination.