Due to an unexpected hurricane, a renowned traveling circus known for its breathtaking horse performances makes a stop at the small German estate of Kaltenbach. Ari soon discovers that one of the circus horses, Orcan, is in grave danger. Alongside the boy Carlo and their loyal horse companion, Ostwind, they set out to rescue Orcan from the clutches of the circus’s ruthless owner. However, their bold scheme is uncovered by the cunning director. Meanwhile, Ostwind also finds himself in jeopardy. Ari and Carlo are racing against time to resolve the crisis and save Ostwind.