When science opens a doorway between worlds, the heart must decide which one to save.
Jack Renard's discovery was meant to change everything—a signal from beyond the stars, proof that humanity isn't alone. But when the experiment awakens a voice from another realm, he finds himself haunted by Sasha, a woman who exists only in dreams… and yet feels more real than anything in his waking life.
In the city's flawless order, Tina Alvarez, his devoted colleague, offers him reason and love he cannot return. But as Jack's heart divides, a dark power from beyond begins to rise—a force of conquest seeking to claim both worlds.
Onlythe Custodian, keeper of an ancient secret, knows the cost of crossing the void.
As realities begin to collapse, Jack must confront the one truth he has feared most:
To save what he loves, he may have to give up everything he is.
