Wealthy orphan Adam Bloom is extremely ordinary. So when his glamorous sister, Cressida, is invited to sing at Fortescue's festival of youthful talent, Adam can only tag along. But once all the children arrive at the festival, their terrific talents mysteriously begin to disappear. With the help of the dashing, erratic ex-racing driver Amy Swift, Adam and Cressida rip-roar off through the mountain peaks in perilous pursuit of the dastardly talent thief! And it soon becomes clear that Adam isn't as ordinary as he first thought.