When Maggie goes to live in Cornwall she struggles to get used to her new life. But she's drawn to the moor with its stone circles, tales of a mysterious beast and a cute boy she meets there. So what is the mysterious beast on the moor? Why does her cousin Sarah sneak out of the house at night? And when stock starts disappearing off the moor how will Maggie and her new friends find the real culprit? On a misty night, Maggie becomes lost on the moor and finds herself in serious trouble. Who can save her? And at what cost?