Human beings who are afraid of loneliness have always firmly believed that in the vast universe, the earth will not be the only celestial body with life. When human beings look at the stars, they can't stop fantasizing and wanting to explore. From ancient times to today with the rapid development of science and technology, it has never changed. Lin Xijia is a sixteen-year-old girl. She likes to fantasize when looking up at the stars: Will there be someone looking up at the stars at the same time as me on a certain star I see? At this time, our eyes will cross the eternal distance of time and space and meet in the deep night sky.