Nana, a PhD student of preschool education, has been a volunteer for public welfare activities and entered an autistic children's rehabilitation institution called wing and met the autistic child Liu Ming.

The story of Liu Ming's experience with his father, Liu Guang, has made Nana deeply aware of the suffering of autistic children and their families. They urgently need love education to change the status quo. Finally, she resolutely put into the ranks of special teachers.