Eun Gyeol e Se Gyeong si rendono conto di essere entrambi viaggiatori nel tempo. Eun Gyeol scopre che anche Se Gyeong aveva una missione da compiere mentre era nel 1995.
Yi Chan is hospitalized after getting beat up by the local thugs. After the accident Eun Gyeol wakes up at the house of the Jinsung Family and finds out that Chung Ah was the daughter of Chairman Yoon Gun Hyung.
Mentre l'incantevole bagliore del loro festival svanisce, Eun Gyeol e Eun Yu riconoscono la profondità dei loro sentimenti, sperando in un legame duraturo.
Eun Yu drops clues about Yi Chan's real hearing loss incident to Eun Gyeol. Together, they methodically investigate everyone linked to the accident in search of the truth.
As a festival nears, boys focus intensely on tuning their band's act. Meanwhile, Eun Gyeol reflects on a clue about a possible mishap causing hearing loss.
Eun Gyeol's attempts at self-defence resulted in Yi Chan with a bleeding nose on both sides. This made schoolyard into a battleground with more students intervening.
Chung Ah wakes up and realizes that she's lying on a hospital bed, with the revelation that Yi Chan carried her there on his back. Later, Yi Chan learns her name from her tag for the first time.
