Twinkling Watermelon

Eun-gyeol feels like an outcast after moving to a new neighborhood with his family. But soon, he finds comfort as he starts learning to play the guitar.

Eun-gyeol tries to give up music but can't resist playing. Against his father's wishes, he joins a band and later discovers a mysterious music shop.

Stuck in 1995 and using a fake name, Eun-gyeol gets the attention of a teenage I-chan with his musical prowess, and invites his father to join his band.

Eun-gyeol meets Se-gyeong, and she is immediately suspicious of him. I-chan rescues Cheong-a after a bullying incident and learns that she is deaf.

Determined to stop the accident that causes I-chan's deafness, Eun-gyeol refuses to leave his father alone, forming a band to help keep him close.

Se-gyeong returns with a new upbeat outlook. A smitten I-chan changes their set list to impress her, which frustrates Eun-gyeol.

Cheong-a wakes up in the hospital and remembers I-chan carrying her there. Meanwhile, Eun-gyeol's absence sparks concern as I-chan searches for him.

Cheong-a helps I-chan after he is injured in an attack. After an accident, Eun-gyeol wakes up in 2023 to find things have changed since he left.

Back in 1995, Eun-gyeol and I-chan fight, leaving both with bruised noses and pride. Later, Eun-gyeol discovers Cheong-a's secret.

Cheong-a's stepmother tries to stop her sign language classes. The band decides to change its name. Eun-gyeol finally expresses his feelings.