Barbie and her sisters are excited to spend the summer at a riding academy in the Swiss Alps! Barbie can't wait to find a new horse to bring back to Malibu. Stacie is super excited to prove she's an amazing equestrienne. All Chelsea wants to do is ride the big horses and Skipper...well, let's just say she's more interested in writing about the great outdoors than experiencing it. The sisters' vacation gets off to a rocky start but when Barbie discovers a mysterious wild horse in the woods, their visit becomes truly magical.