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Goodbye 2021, Hello 1987

Episode number: 1

Overview: Hae-jun discovers a time machine while Yoon-young struggles with her busy job until tragedy strikes.

The Reason We Can't Return

Episode number: 2

Overview: Yoon-young thinks that it could be a good thing that she somehow ended up in 1987 and met Soon-ae.

The Secret You Have

Episode number: 3

Overview: Yoon-young joins Soon-ae's class as planned, but a sudden twist drastically disrupts everything.

All This Is a Coincidence?

Episode number: 4

Overview: Hae-jun's expectations are challenged as events unfold, until a student teacher enters the scene.

A Certain Confession

Episode number: 5

Overview: Yoon-young's choice to withhold the specifics of her reasons for staying might have been an error.

Lie After Lie

Episode number: 6

Overview: Despite Hae-jun's confidence in his thorough preparations, it turns out they are insufficient.

An Overlapped Path

Episode number: 7

Overview: Hae-jun and Yoon-young find relief, but their narrow focus may lead to unforeseen consequences.

The Turning Point

Episode number: 8

Overview: The truth dawns on Hae-jun and Yoon-young that they are bound by certain inescapable factors.

Me in Your Darkest Night

Episode number: 9

Overview: Despite grappling with the grief of her sister's death, Soon-ae's primary concern lies with Hee-sub.

Far or Close

Episode number: 10

Overview: With an awareness of how small details can alter everything, Hae-jun directs his attention to Hae-kyung.

Women Who Read Are Dangerous

Episode number: 11

Overview: Not all women who read are dangerous, but the ones around Soon-ae might be a little too dangerous.

A Man Who Doesn't Exist

Episode number: 12

Overview: The complexity of the case deepens as Hae-jun and Yoon-young investigate, causing confusion to mount.

Time Flies, Love Remains

Episode number: 13

Overview: Hae-jun is caught in an unfortunate coincidence, with everything pointing to him as the murderer.

Meeting You Will Bring Me Joy

Episode number: 14

Overview: Hae-jun realizes that investigating the case might have affected someone very close to him.

The Reason You Can't Leave

Episode number: 15

Overview: Looking into the eyes of the culprit who stands staring down at Hae-jun leaves him speechless.

My Perfect Stranger

Episode number: 16

Overview: Farewells exchanged, Yoon-young and Hae-jun journey to meet them again on the other side of the timeline.