Barbie (voice of Kelly Sheridan) and her sisters, Skipper (Kazumi Evans), Stacie (Claire Maggie Corlett) and Chelsea (Alyssya Swales), travel back to their hometown of Willows to visit their grandmother. As they are looking through their grandmother's attic the girls find a map which reportedly leads to a long-lost treasure hidden somewhere in the town and, together with their puppies, the four sisters set off on an adventure to find it...