In a quiet town, west of London, stand the ruins of a burn-out church. Within the ruins is a stone font. Legends surround it, dark stories of blood, suicide and madness.
To June Hunter, it is a prison – holding in its cold grasp the soul of her young son. To Lee Kline, it is a puzzle, a challenge for his questing mind. To Francoise Jeury, it is a key to the deep past, a memory stone bearing the secrets of an ancient people.
For all of them it is a deadly danger.