In the depths of the Amazon lies a secret that has claimed countless souls - and may yet claim more.

When struggling writer Sera Moreau discovers her great-aunt's journal detailing a lost temple deep in the Amazon jungle, she sees it as both escape from her grief and a chance to break her crippling writer's block. The locals warn of Xyloskia, the Temple of Whispering Shadows, a place where no one returns. But Sera is desperate for answers - and perhaps redemption.

What she finds instead is Kael, the temple's immortal guardian, bound by an ancient pact to protect its secrets. Hostile and captivating in equal measure, he should force her to leave - yet something in her calls to him after centuries of isolation.

As their reluctant alliance evolves into forbidden attraction, an outside threat emerges. The Argent Quill Society, a powerful organization that hunts paranormal artifacts, will stop at nothing to claim Xyloskia's power. Now Sera and Kael must decide what they're willing to sacrifice: the ancient temple's secrets, or the dangerous bond forming between them.

A dark, suspenseful romance where ancient magic and modern ambition collide in a battle that will determine not just their fate, but that of a power older than civilization itself.