Although Tsi-an and Yi-rui are an invincible duo in table tennis doubles, Tsi-an’s technique is in no comparison to Yi-rui’s. Tsi-an, frustrated by her sense of inferiority, beseeches the coach, Yi-rui’s father to give her additional drill. During an one-on-one training session, she develops a crush on the coach. Ping Pong Coach adopts Tsi-an’s point-of-view to narrate her romantic fantasy in an understated manner, which in the event gives rise to her bewilderment, joy, disappointment and growth. LIN Yen-chen, who plays Tsi-an, captures the capricious behaviour of the teenagers in her delicate performance, Yi-rui and Tsi-an’s grandmother also leave behind a vivid impression during a brief screen time.