With his mother missing and his father dead, 12-year-old Flip finds a new home on a remote Dutch island. Menaced by the local bullies and followed everywhere by a mysterious girl, he wonders how he'll ever adapt to life on his uncle's farm. But everything changes the day a sinking ship leaves a horse drowning in the waves. After risking his life to rescue it, Flip is told he may keep the horse, but only if he can teach it how to work for its keep. From that moment on a friendship grows. But can a boy and a horse really save each other? And what other dark storm threatens their hard-won happiness?