Synopsis
"Bestseller" centers around writer Hee-Soo (Eom Jeong-Hwa) who moves to a small house in a rural area after becoming involved in a plagiarism scandal. Hee-Soo then hears a mysterious figure tell horrifying stories and feels compelled to write a new novel inspired in the tales she heard. Her novel becomes another bestseller, but Hee-Soo's success is short lived. The stories in the novel are discovered to have been published 10 years before her acclaimed book's release. To prove her innocence, she goes back to the house to uncover the mystery that lies there.