Barbie and her sisters, Skipper, Stacie and Chelsea, and their adorable new puppy friends find unexpected mystery and adventure when they return to their hometown of Willows. While going through mementos in Grandma's attic, the sisters discover an old map, believed to lead to a long-lost treasure buried somewhere in the town. With their puppy pals in tow, the four girls go on an exciting treasure hunt, along the way discovering that the greatest treasure of all is the love and laughter they share as sisters!

Barbie is Kara - a modern-day princess with a normal life. Kissed by a butterfly which gives her superpowers and allows her to become a Super Sparkle, she is ready to save the kingdom from evil - were it not for her jealous cousin who is also kissed by the butterfly and becomes her rival and nemesis. Watch as Super Sparkle and Dark Sparkle learn that together they can become a great team for good once they learn the power of friendship.