"A Tale of Two Sisters" is not based on a true story; it is a South Korean psychological horror film directed by Kim Jee-woon, released in 2003. The film is inspired by a Korean folktale and explores themes of family trauma, mental illness, and supernatural elements. While it draws on cultural motifs, the narrative itself is fictional, crafted to evoke emotional depth and suspense rather than depict real events. Its unique storytelling and visual style have garnered critical acclaim and a cult following.

"A Tale of Two Sisters" is widely regarded as a standout in the horror genre, blending psychological thriller elements with supernatural themes. Directed by Kim Jee-woon, the film features a haunting atmosphere, intricate storytelling, and strong performances, particularly by the lead actresses. Its unsettling visuals and emotional depth make it a compelling watch. However, its intricate plot and slow pacing may not appeal to everyone. If you enjoy atmospheric horror with a twist, it’s definitely worth watching.

In "A Tale of Two Sisters," the twist reveals that the character of the elder sister, Soo-yeon, has been dead for much of the film. The story unfolds through the perspective of the surviving sister, Soo-mi, who is grappling with trauma and guilt after their mother's death. The haunting events are shaped by Soo-mi's mental state, leading to the shocking realization that the seemingly malevolent stepmother is a manifestation of Soo-mi's troubled psyche and her unresolved feelings about her sister's death. This twist recontextualizes the entire narrative.