Three journeys and one destination will bring them all together.

Despite having never met in person, their years of communicating virtually cemented Eleanor's love for the woman who has her whole heart long ago. But when her love goes missing, Eleanor leaves the safety of Sandstone Estate to rescue her, and ends up finding more than she bargained for. An entire town has had their children stolen, and it's up to Eleanor to lead the fight to save them, along with the woman that she loves.

Theo can't remember his past, but begins to build his future when a family takes him in as a farm hand. But then the farm is destroyed, a young boy is orphaned, and Theo finds himself slipping into the role of guardian. When the boy receives an urgent message from a mysterious voice through the radio, Theo must guide him across a dangerous and barren landscape in hopes of finding a safe place to call home.

Téa and her infant daughter have traveled the continent to restore the land for a grateful nation, but when strangers arrive on her doorstep looking for help, Téa must decide if she can risk opening her heart again. Then tragedy strikes, and Téa is forced to confront her past and meet a new challenge that has the power to rip the Earth to shreds.

As Eleanor, Theo, and Téa's paths collide, the future of mankind is thrust into their hands, and they must work together to save not only themselves, but all of humanity.