King Grim Vasteri is the most feared warrior in the Tornian Empire. Sent by his Emperor, he embarks on a mission to find and retrieve compatible females for their dying civilization.

As the King of Luda, and blood brother to the Emperor, Grim's line is destined to end with him. His scars have rendered him 'unfit' in the eyes of potential mates. The Tornian Empire has been on the brink of extinction ever since the great infection made the birth of females a rarity. However, the discovery of a compatible female on a slave ship offers a glimmer of hope.

Lisa Miller is a widowed mother of two, Carly and Miki. After losing her husband to cancer, she feels no man could ever fill the void in her heart or love her daughters as their own. But her world is turned upside down when she finds herself on an alien ship, separated from her children.

Confronting the large alien males, Lisa demands to be returned to her children. Seeing an opportunity, Grim offers her a deal: he will protect her children if she agrees to Join with him. With no other option to reunite with her children, Lisa agrees, setting in motion changes that will forever alter the Tornian Empire.