Barbie "Brooklyn" Roberts and Barbie "Malibu" Roberts embark on an adventure-packed journey across Europe to rescue two stolen horses.

Brooklyn and Malibu are off for the trip of a lifetime in the English countryside, but little do they know that the course of their vacation will be thrown to the wind when prized horses Pepper and Tornado are taken from right under their noses and everybody is a suspect. The search for missing horses takes the girls on an international adventure from England to Venice and back, in order to get the horses back to their rightful homes.

Follow Barbie "Brooklyn" Roberts and Barbie "Malibu" Roberts as they embark on a new adventure vacation of a lifetime: a trip to the English countryside to visit Lady Carson, Ken's aunt and owner of cherished horses Tornado and Pepper. Before Barbie and Barbie can take in the sights, their plans are immediately derailed by the brazen theft of the prized jumping horses and a diamond-encrusted saddle worth millions of dollars. Suddenly, everyone is a suspect. To clear their names and rescue the beloved horses, Barbie and Barbie embark on a journey across Europe, chasing clues and suspects to reclaim what was stolen and save the day. Jam-packed with mystery, intrigue and horses, kids and parents alike are sure to love Barbie's newest adventure.