In the world of immortal fairies who live in eternal happiness, it is unusual for someone to wander off, cheat his mother's fairy rights, and make friends with humans out of boredom. Fairy Lala's strange behavior worries her mother, Queen Irisz. One day, Gigi, the little unicorn, announces that Iris will marry the faithful captain Amalfi, which fills the entire empire with joy. However, the scheming of the power-hungry wizard Áterpáter foils everything: Iris inexplicably steals Amalfi away and offers her hand to the wizard. Are fairies different from humans if they are no longer good and happy, if they too are corrupted by fear and lies? Fairy Lala, a fairy boy born with a human heart, chooses the fate of mortals rather than saving his mother from an unhappy marriage and his people from a tyrant. Fortunately, there is someone who also has power over Áterpáter...