Dong's mother Taeng teaches Dong and Gym to play badminton as young children.  Gym's mother, Tum, struggles to respond appropriately to her son who is on the autistic spectrum.

Dong finds an opportunity to get some badminton practice time in without Gym.  While practicing, Dong gets the feedback that his skill set would be better suited for a singles competition, potentially putting him at odds with his mother's wishes for him to play with Dong.

Gym and Dong go to their first doubles match together.  However, their preparation is overshadowed when the opposing team endlessly taunts Gym causing him to act out on the court.