Episode 1
Passion Is Born
Eun-gyeol and his family move into a new neighborhood. He meets a man who offers to teach him how to play the...
Episode 2
Eun-gyeol Quits Music
Eun-gyeol tries his best to quit music, but it's not easy for him to do. He gets scouted to join SPINE9, an in...
Episode 3
Seoul 1995
Eun-gyeol gets stuck in 1995 and doesn't know how to return to the present. What's worse is that he meets his...
Episode 4
Eun-gyeol Becomes Yi-chan's Tutor
Eun-gyeol encounters Se-gyeong in her teens and learns a few things about her life that don't make sense in th...
Episode 5
Se-gyeong Leaves the Country
Eun-gyeol resolves to stop the accident that caused Yi-chan to become deaf and clings to him, vowing to teach...
Episode 6
Se-gyeong Returns
Everyone is confused at Se-gyeong's return, especially Eun-gyeol, who sternly warns her to stay away from Yi-c...
Episode 7
Where Are You Eun-gyeol?
Chung-ah wakes up, realizing she's lying on a hospital bed, with the revelation that Yi-chan carried her there...
Episode 8
I Found Ha Eun-gyeol
Eun-gyeol wakes up at the house of the Jinsung Family after the accident. He finds out that Chung-ah was the d...
Episode 9
Friendship or Love?
Astounded by Eun-gyeol's candid love confession for Se-gyeong, Yi-chan retaliates with a spirited punch. Eun-g...
Episode 10
Let Yourself Twinkle
Eun-gyeol can't hide his feelings for Se-gyeong and ends up kissing her. Chung-ah's stepmother calls Eun-gyeol...
Episode 11
Dangerous Rehearsal
As the festival draws near, the boys are intensely focused on fine-tuning their band performance. Meanwhile, E...
Episode 12
The Day of Decision
Eun-gyeol successfully cancels the rehearsal and prevents Yi-chan from getting seriously hurt. Chairman Yoon e...
Episode 13
The Final Festival
As the enchanting glow of their festival fades, Eun-gyeol and Eun-yu acknowledge the depth of their feelings,...
Episode 14
Another Time Traveler
Eun-gyeol and Se-gyeong realize that they’re both time travelers. He learns that Se-gyeong also had a mission...
Episode 15
The Hints
Eun-yu drops clues about Yi-chan's real hearing loss incident to Eun-gyeol. Knowing that Eun-gyeol tends to sh...
Episode 16
Everything You Hoped for and More
Yi-chan gets hit by a car and loses his hearing. Master tells Eun-gyeol to go back to his time, but he refuses...