This is a story about autistic children. They are as pure as stars, but they are also as lonely as stars when Wang xuanhui, a small town policeman, was publicizing the safety knowledge of preventing electric fraud on the street, he rescued a drowning child. The child's extreme resistance to the outside world made Wang xuanhui feel deja vu. In the process of looking for family for his children, he found that things were far from simple. A relay activity of mutual help to find relatives began the adult world is far more complex and warmer than expected. Because of the love for children, let them always choose: don't abandon, don't give up.