An incredible global debut thriller, destined to keep you up all night . . . Present day, San Francisco, and an old homeless woman is stalked and brutally murdered. Her last words, βHe never drank from the altar of bones. I got it back,β send shockwaves around the world. Meanwhile, in Texas, a dying man reveals to his eldest son, a Catholic priest, that his whole life has been a lie and that he was a key player in one of the most enduring conspiracies of the 20th century . . . Flash back to a Siberian prison camp, 1937, and a young hospital worker plans a daring escape to the only safe haven she knows β a cave hidden amongst the harsh Russian wilderness where the Altar of Bones resides, its power known only by a select group of people . . . Zoe Dmitroff is the last in a line of women who have been entrusted with a secret so great that they have died preserving it. Now Zoe must journey to discover what it is she was born to protect. On her way she is thrown into the path of a multi-millionaire with chilling plans and terrifying global influence and an ex-Special Ops soldier who holds the key to her survival, as well as her downfall.