The story centers on (played by Kim Da-mi), a teenage girl who appears to be an ordinary high school student living on a remote farm with her adoptive parents. However, Ja-yoon harbors a dark secret that even she doesn't fully remember.

The story follows , a young girl who escapes from a mysterious government facility but loses her memory in the process. She is adopted by an elderly couple and lives a peaceful life in a rural village. However, as she grows older, strange abilities begin to manifest.

For the best experience with the 2018 Korean thriller, it is highly recommended to watch it in Korean with Hindi or English subtitles to appreciate the original performances. , has an official Hindi release yet?