First-Time Viewing
Big sister
Release Date:September 30, 2021
Running Time:Running time TBD
Spoiler-Safe Overview
This page avoids major plot turns, twists, and ending details. It’s designed to help first-time viewers decide if this movie is right for them.What counts as a spoiler can vary by viewer.
Synopsis
Ha-yeon feels burdened by her older sister So-min, who thinks only of herself day and night. Then one day, her brother Ha-yeon asks her own boyfriend, Kang-ho, a favor. The next day, Ha-yeon summons So-min's boyfriend Dae-heon, and her boyfriend Kang-ho visits So-min's house...
Where to watch
US
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