Aidan has spent most of his life keeping a low profile because his mum has a terrible secret - one that he can't be trusted to keep if he mixes too much with other kids or goes to school. You see, Aidan's mum is part-dragon. She has scales and claws and can breathe fire. But she is terrified of anyone finding out. When Aidan's mum suddenly disappears, Aidan and his best friend Charlotte set out on a dangerous adventure to find her. They track her to a murky research laboratory on the other side of the country, and there they find several other part-mythic-beast `freaks' all in the thrall...