Yejin and Haeri are the best friends in their class. But when Haeri starts writing a secret diary with friends from another class, a subtle crack begins to form in their relationship. Yejin feels hurt by the way Haeri keeps the diary from her and grows anxious, wondering if their shared secrets might have been written inside.
Where to watch
Not streaming anywhere
Not on any streaming service in United States, and not available to rent.
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Cast
4 people
Song Jin-kyung Director · Lee Ho-seung Editor Shin Hyejung Costume designer
First release May 2, 2026 · Produced in South Korea · Original title 비밀일기
Production
South Korea
Produced in
Languages
Original title
비밀일기
Original language
Korean
Spoken on screen
Korean
Release dates
South Korea · May 2, 2026
Premiere · Jeonju International Film Festival
No release date listed for United States.
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