A young girl lives in a meticulously planned world crafted by her overbearing mother, who has mapped out every hour of her day to ensure academic success. One summer, their rigid lifestyle is disrupted when the girl meets her eccentric, kind-hearted neighbor, an elderly aviator. Her new friend introduces her to the magical story of a young boy he once met - the Little Prince. As the aviator recounts his adventures with the Prince in vivid detail, the girl's world expands beyond her books and schedules, revealing to her the beauty of imagination and the importance of human connection.

Through the aviator's stories, the girl learns about the Prince's journey from his asteroid home to various planets, each representing different facets of human nature. These stories, intertwined with her own life, inspire her to value friendship and creativity over rigid conformity. However, as her bond with the aviator deepens, she must confront the realities of growing up and decide whether to embrace the lessons she has learned or return to the path set by her mother. This narrative unfolds in a visually captivating blend of computer animation and stop-motion, presenting a heartfelt exploration of childhood wonder, love, and the essence of what is truly important in life.