The film's major twist reveals that Ja-yoon’s memory loss was a ruse; she intentionally lured her creators to find her so she could obtain the serum needed to stabilize her deteriorating brain.

Critics praised Kim Da-mi’s breakout performance and the film's "brutal ballet" of action, though some noted a slow build-up in the first half. Part 2: The Other One (2022) The Witch: Part 1 - The Subversion (2018)

After being adopted by an elderly couple and living a normal life for 10 years, Ja-yoon enters a televised talent show to help her struggling family. Her telekinetic demonstration alerts her creators—led by Dr. Baek and Mr. Choi—who send assassins to retrieve her.