A routine investigation was never supposed to end like this.
When veteran detective Bruce MacAllester responds to a quiet call in a coastal New England town, he expects another tragic case. Instead, he witnesses something impossible-something that shatters his understanding of reality and leaves him haunted by visions he cannot escape.
Soon after, he is drawn into the orbit of Dr. Abigail Rosenal, a brilliant but obsessive scholar who believes humanity is not alone... and never has been.
Together, they assemble a team of experts and venture across the globe-from the storm-swept shores of Massachusetts to the relentless Atacama Desert, and deep into the Himalayas-in search of answers buried beneath ancient ruins and forgotten myths.
But what they uncover is far more than lost history.
Hidden beneath the earth are artifacts that defy explanation, symbols older than civilization, and gateways to something beyond human comprehension. Each discovery pulls them closer to a terrifying truth: humanity may be watched... studied... and perhaps even controlled by forces far older than time itself.
As their journey descends into darkness, sanity begins to fracture, loyalties are tested, and survival becomes uncertain. Some truths were never meant to be uncovered-and something ancient is waking.
And it knows they are coming.