On his eleventh birthday, Will Stanton discovers he is the last of the Old Ones, immortal beings who must protect the world from the rising forces of the Dark. As midwinter approaches, Will must find and unite six powerful magical Signs while ancient evils awaken around his English countryside home. Guided by a mysterious mentor and aided by unexpected allies, Will embarks on a perilous journey through time and myth to prevent the Dark from overwhelming the Light. This thrilling fantasy blends Arthurian legend with Celtic mythology in a battle between good and evil.