Hee Soo is a best-selling author who became involved in a plagiarism scandal when she released her latest novel. Two years later, she still has not written anything new, so her editor sends her to a rural village to live in a lakeside villa, a place authors visit when they suffer from a writer's block. There, she is constantly horrified by her daughter, Yeon Hee, telling her shocking stories of an invisible girl she plays with who was killed. Hee Soo decides to write the story of the girl's death, and her novel becomes a best-seller. However, turns out that the same story was published 10 years ago. Hee Soo then decided to go back to the house to uncover the mystery and prove her innocence. (Source: MyDramaList)