Soul (2009)

Ha-Na and Doo-Na were twin sisters who were very close to each other until Doo-Na died a terrible death. One day, the usually bright and energetic Ha-Na finds herself changing. She has superhuman strength and can do things that nobody can. Ha-Na realizes that Doo-Na's spirit has inhabited her body. Shin-Ryu, a criminal psychoanalyst, uses Ha-Na's powers to take revenge on those who cannot be punished by the law.

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