Tomorrow, With You

So-jun, a time traveler who can take the subway to the future, saves Marin from being hit by a car.

Three months into the future, So-jun can't believe he and Marin are getting married.

So-jun learns that Marin and he survived the subway disaster together seven years ago.

While waiting for So-jun, Marin receives a call and rushes to the emergency room.

So-jun is nervous that Marin will find out he's a time traveler.

So-jun tries to make peace with Marin. but it's not easy when Marin's suspicions flare up.

So-jun wants to tell her everything about himself, but he asks her to wait a little longer.

After their reconciliation, So-jun and Marin become an inseparable couple.

Marin finds out that So-jun is a time traveler and has a hard time believing it.

So-jun suspects Sung-kyu's death, time-travels to find clues, moving between present and future.

Marin is disappointed and angry with So-jun, so she packs her things and leaves.

To avoid disappearing, So-jun decides not to take the subway to stay with Marin.

So-jun is spotted by Yong-jin as he disappears on the subway.

Yong-jin kidnaps Marin, So-jun agrees to meet Yong-jin in the subway to find out where Marin is.

So-jun jumps on the train and is reunited with her across time.