LEE Gwi-dong, a film producer and screenwriter that has not seen success since his debut 10 years ago, has been struggling for several years now to write up a scenario about the end of the world. His story is based on the question, ‘If the world came to an end tomorrow, what will lonely and isolated people like himself be doing on the last day on Earth?’ One day, while sat on the edge of a lake, forgotten from the world, he encounters a mysterious group of people who recognizes him who insists him to share his new scenario. If he shares his story, they might even tell him who they really are...