Luciana Euclifia is the long lost princess of the Celestial Kingdom. Sting is her older brother, the Prince of the White Dragon. One day, someone steals her away and the Euclifia family accuses the Dragneel family. The kidnapper raises Luciana and changes her name to Lucy and hides her far far away. As Lucy grows up, a certain salmoned haired boy kept visiting her when he first saw her. They became the bestest friends, but then one day, he suddenly stopped coming to see her. Years past and Lucy grew up to be a beautiful princess, she decides to look for a job and gets accepted to be a maid in the Dragneel's castle. In there, she meets the Prince of Flames, Natsu Dragneel. She feels like she's met him before, but can't clearly remember it. But he remembers everything.