When her son Gareth wins a competition for a stay in Finn's Forest, Eirlys Pendragon is at first thrilled, and charmed by its owner, Finn Hart. But it's anything but plain sailing as the manicured and tactless Miranda, wife of the camp's wealthy financier, takes an instant dislike to Eirlys, and her bullying son singles out Gareth. Eirlys believes the only way to deal with fear is to face up to it - but flying down a zip wire into Finn's arms seems an extreme solution to the problem ...