Ping-an is an autistic teenager who was often bullied by his peers. With the help of his "brother" Zi-hao, can the two conquer all their fears and weaknesses to be the top in the badminton field?

Ping-an is an autistic teenager who was often bullied by his peers. With the help of his "brother" Zi-hao, not only they discover his incredible badminton talent, but also realize that they make a great team. However, all the matters which Ping-an have caused makes Zi-hao to feel displeasure. With the help from Xiao-na, a girl working at the badminton court, and their widowed moms. Can the two conquer all the fears, difficulties and weaknesses to become the top in the badminton field?—Detective