Gym, an autistic teenager who was often bullied by his peers decides to join the badminton team with Dong, who is his childhood friend. However, Gym plays better than Dong, as Gym is able to control the dynamics of the game, leading to Dong displeasure. With the help of Dong's and Gym's widowed mom. Can the two able to conquer all their fears and weaknesses to be the top in the badminton field. And what will Gym and Dong's future be?
