有著太空夢想的孩子,與在背後支持保護著他的父親,他們的生活一直像星球一樣環繞著彼此。但在一次兒子被診斷得了,兩人行走的軌道逐漸崩壞,當在絕望之際,父親為了孩子,每天努力的挖土釘牆,為了就是創造出那唯一屬於他們倆的星空。看到如此景象的孩子,開心的與父親道別後,並坐入太空船裡,衝向了天際。
A father always supports his child who has a dream to journey in the space. Their life connects to each other just like the planet and its satellite. Unfortunately, the child was told he has an incurable disease. The world of the father and his child has collapsed since then. They feel hopeless. Finally, the father builds a starlit sky which only belongs to themselves for his son. After saying goodbye to his father, the kid walks into the spaceship happily, and flies into the space.