Bestseller 2010

Baek Hee-soo reigned as the top bestselling writer in Korea for the past twenty years. But she is charged for plagiarizing a book that was submitted to a writing competition which she took part in as a judge. She loses her public reputation overnight and even her marriage can't be sustained anymore. Hee-soo can't write anything for two years. After her old editor friend at a publisher gives her some advice, she dreams of a successful comeback as she drives down to a villa in the countryside with her daughter, Yeun-hee. They arrive at the villa. A room locked up on the second floor, a creepy sound heard off and on throughout the house and a spreading black mold hanging on top of Hee-soo's desk all give off an eerie feeling about the house. Yeun-hee begins to talk to someone whom she calls her 'friend', but her identity can never be known. Hee-soo, who is thirsting for creativity, becomes obsessed with the odd story that took place in the villa which Yeun-hee describes to her. Eventually, this story becomes the inspiration for her new book. The book becomes a bestseller again, putting her up on the writer's pedestal and allowing her successful comeback.

But her story is claimed to be the same story found in a book written ten years ago. She becomes caught in the middle of a plagiarism scandal once more. Hee-soo insists that it is not plagiarism. She believes that something inside that house made her write the same story and in order to prove herself of the plagiarism charges she goes back to the town to find the truth. And there, she confronts the mysterious case surrounding the villa and her book. Now she starts her desperate pursuit of the truth that has been kept a secret for a long time.