Intruder

A man named Seo-jin continues to struggle with the childhood trauma of his younger sister's disappearance. Twenty-five years later, a woman claiming to be his sister, Yoo-jin, returns to the family. While his relatives welcome her back with open arms, Seo-jin is unconvinced of her true identity. He begins to suspect that the woman is a stranger and starts investigating her background to uncover the truth.

This South Korean mystery thriller was directed and written by Sohn Won-pyung. The film stars Kim Moo-yul in the role of Seo-jin and Song Ji-hyo as Yu-jin, supported by a credited cast of 22 actors. Produced by Acemaker Movieworks and BA Entertainment, the movie has a runtime of 102 minutes.

Following its release in June 2020, the film earned 5 million USD at the worldwide box office. Audience reception is mixed to positive, with a rating of 6.1/10 on IMDb based on 2,400 votes and a slightly higher score of 6.7/10 on TMDB from 93 votes.