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Now playing: Season 1, Episode 1 — I Know What You Did Last Summer
Let's film the documentary again.
Years after filming a viral documentary in high school, two bickering ex-lovers get pulled back in front of the camera — and into each other's lives.
1. I Know What You Did Last Summer
2021-12-06
As high schoolers, Kook Yeon-su and Choi Ung give a documentary crew a peek into their lives. Ten years later, they've gone their separate ways.
2. 1792 Days of Summer
2021-12-07
Yeon-su and Ung reunite for the first time in five years when she shows up at his door with a proposal to work together on an art project.
3. 10 Things I Hate About You
2021-12-13
Eager to film a follow-up documentary, Kim Ji-ung sets out to persuade Yeon-su and Ung. But getting them to agree proves to be a challenge.
4. The Boy, or the Girl, We Liked Then
2021-12-14
Yeon-su and Ung's squabbles begin even before the cameras start rolling. Ung refuses to dignify an infuriating plagiarism accusation with a response.
5. A Secret That Can’t Be Told
2021-12-20
Ji-ung recounts how he and Ung became friends in their childhood. Yeon-su wants to apologize to Ung, but can't quite bring herself to do it.
6. Pride and Prejudice
2021-12-21
Ung wakes up on the morning of the live drawing show with a few gaps in his memory. Watching him at work, Yeon-su sees an unfamiliar side of him.
7. Catch Me If You Can
2021-12-27
Ung and Yeon-su attempt to run away from having to see each other, but wind up in the same place anyway. NJ stands up to her cyberbullies.
8. Before Sunset
2021-12-28
A forced vacation commences for Yeon-su and Ung when the documentary crew traps them at a mountain retreat. Awkward tensions run high between the pair.
9. Just Friends
2022-01-03
When she doesn't hear from Ung after their return from the retreat, Yeon-su decides to confront him. He has a disorienting response for her.
10. Hello, My Soul Mate
2022-01-04
With his mother back in town, Ji-ung stops going home so he can avoid seeing her. Watching NJ and Ung go on a date vexes Yeon-su to no end.
11. Our Nights Are More Beautiful Than Your Days
2022-01-10
Ahead of the final day of filming, gossip about Ung and NJ causes a stir. Ji-ung receives pointed advice about his documentary edit.
12. Begin Again
2022-01-11
For Ung and Yeon-su, a new beginning is equal parts sweet and clumsy. When NJ bumps into Ji-ung, she invites him out for a drink.
13. Love Actually
2022-01-17
After soliciting dating advice from a co-worker, Yeon-su acts out of character in front of Ung. Meanwhile, Ji-ung takes some time to himself.
14. Life Is Beautiful
2022-01-18
Ung asks Yeon-su a question that's difficult for her to answer. As Lee Sol-i deals with an unwanted surprise in her bar, Gu Eun-ho happens to swing by.
15. Three Idiots
2022-01-24
A noticeably down Ji-ung pours himself into his work instead of going home. Ung waits for Yeon-su to come and see the final night of his art exhibit.
16. Our Beloved Summer
2022-01-25
Ready to pursue his next dream, Ung sets his sights on studying overseas. When he asks Yeon-su to join him, she has a tough decision to make.
Choi Woo-shik
Choi Woong
Kim Da-mi
Kook Yeon-su
Kim Sung-cheol
Kim Ji-woong
Roh Jeong-eui
NJ
Ahn Dong-gu
Gu Eun-ho
Jeon Hye-won
Jung Chae-ran
Park Jin-joo
Lee Sol-i
Lee Jun-hyuk
Jang Do-yul
Cha Seung Yeup
Kang Ji Woon
Lee Seung-ryong
Im Tae-hoon
