Alone after her husband's sudden death, Anne Sharpe discovers his secret obsession: the mythical 'Mourner's Cradle,' a lost Peruvian civilization. When an intruder attacks, Anne realizes her husband's research is dangerous and his death no accident. Driven by grief, fury, and a thirst for truth, she embarks on a perilous journey to the Andes, plunging into a world of ancient secrets, hidden enemies, and treacherous mountain climbs. Will she uncover the truth, or will the 'Mourner's Cradle' claim her too?