You may know the story about a rich prince exchange his life with a pauper's life. You may know about the ending of the story of the Prince and the Pauper's story. But what happens if you change the story of the Prince and the Pauper into a different story you didn't even expect. The story about two very different people who were known to be best friends in the past, but as the years go by, things change between the two. One is now known to be a pop star and he is now living in Hollywood, while the other is a writer, who just lives a normal life as a normal person. These two people are destined to see each other again, to fulfill a promise that was made in the past. But that promise cannot be fulfilled without one person remembering what that promise is.