Tattoo (2015) 타투 (ta-tu)
Tattooist Soo-na has a strange habit that putting hand to man’s pants and check something while dancing with him. One day Ji-soon comes up to her, requesting tatto on his back. He repeatedly comes and orders her tatto of Medusa. The day his tattoo finally completed, Soo-na sees Ji-soon rape and kill a girl, and she instinctively noticed that there are same amount of victims with snakes on Ji-soon’s back.