S01 E012021-12-06 / 63 MIN
I KNOW WHAT YOU DID LAST SUMMER
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.
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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.






SERIES GUIDE
S01 E012021-12-06 / 63 MIN
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.
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S01 E022021-12-07 / 60 MIN
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.
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S01 E032021-12-13 / 60 MIN
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.
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S01 E042021-12-14 / 61 MIN
Yeon-su and Ung's squabbles begin even before the cameras start rolling. Ung refuses to dignify an infuriating plagiarism accusation with a response.
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S01 E052021-12-20 / 62 MIN
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.
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S01 E062021-12-21 / 61 MIN
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.
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S01 E072021-12-27 / 61 MIN
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.
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S01 E082021-12-28 / 60 MIN
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.
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S01 E092022-01-03 / 61 MIN
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.
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S01 E102022-01-04 / 62 MIN
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.
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S01 E112022-01-10 / 62 MIN
Ahead of the final day of filming, gossip about Ung and NJ causes a stir. Ji-ung receives pointed advice about his documentary edit.
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S01 E122022-01-11 / 61 MIN
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.
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