You think you know the story of the Angel of Monsters? Think again. Just when Frisk returns to Sans, the blooming flower has to make a deal with the 'devil' to save her family from a horrible memory and sacrifice her memories. But, as the story begins again and she slowly gathers all her memories back, Frisk has to wonder: Which story is true? The one she thought she knew. Or is there more? They all find that everything's not what it seems...