Finding your next obsession
Finding your next obsession

After his mother's death, 16-year-old Hyung-ju suspects that his father is not his biological father. A secret paternity test reveals that he is not. Confused, he uses his math skills to figure out his biological father and embarks on a journey with his best friend, Ji-su, to find him.
LUXEN Decision Guide
A focused choice when you want a story with a clear identity and enough detail to make the choice feel intentional.
Best fit
Who it is for
A good fit when you already know the general kind of movie you want and want a little more context before pressing play.
Commitment
Standard sit-down · 1h 59m
Use the runtime as a quick check against how much time you have tonight.
Start here
Read the synopsis.
Read the synopsis, then use the drama cues to decide whether the tone fits.
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Cast
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