太平公主的牦户Helvi, an adventurous pixie, won’t let anything stand in the way of exploring the human world. In so doing, she meets unknown pixies who seem really cool. To her family’s annoyance, she even joins the new pixies. When Inspector Lanski gets on their trail and is in danger of proving the pixies’ existence once and for all, they have to think of a plan. All the pixies have to pull together to protect their secrecy at all costs!