Gajjaingan

Ji-a, a twenty-year-old woman, lives simply with her younger sister, Su-a, after leaving her abusive mother. When Su-a disappears during a field trip under suspicious conditions, Ji-a becomes determined to find her. With the help of her high school friend, Wonseung, she investigates and uncovers hints of a broader conspiracy. Their search leads them to a cult, a mystery, and influential individuals whose involvement could have major implications for South Korea.