The story begins with a 90-year-old man explaining how he had freed scores of people possessed with the ghosts in his life. As part of that, he starts telling a story about a villa called ‘House No.13’. He narrates the story of Arjun, who is a writer. One day, Arjun receives a call from the publisher who had printed one of his novels to inform him that the book has sold over 10 lakh copies.