Helen has won a place at a prestigious summer music school in remote north-western Scotland. But as she practises for a concert on Midsummer's Eve, her friends, the fabled beasts, prepare for battle -- in the very forest where the young musicians are staying. When Yann the centaur arrives and warns Helen of impending danger, she is forced to cast her musical ambitions aside. Helen finds herself catapulted into a perilous quest, allied with fantastical...