King Grim Vasteri is the strongest and most feared warrior in the Tornian Empire. He is the King of Luda, blood brother to the Emperor, and his line will die with him. He will have no offspring for no female would join with him for once he was scarred he was considered "unfit". The Tornian Empire has been dying ever since the great infection caused the birth of females to become a rarity. Since then they have been searching the known universes for compatible females.

Mackenzie 'Mac' Wharton had agreed to guide a group that had wanted an adventure on her mountain. They got more than they bargained for when they were all abducted by a group of aliens called the Ganglians. Badly beaten and barely alive, Mac finds herself in the arms of the largest male she's ever seen. She should fear him, should be fighting to get away from him, but there was something about the massive male that called to her.

Cassandra Chamberlain has always stood out. It's hard not to at 6'1" and 165 pounds, with jet black hair and sapphire blue eyes. And if that isn't enough, she is also brilliant, graduating from Harvard at 15, teaching at MIT at 19, and up for the prestigious Magellan Award at 25. She's never really fit in. Not with her peers, not with her contemporaries, only with her family. But everything changes when the Earth is attacked, and Cassandra and her niece, Victoria, are the only survivors. Suddenly the smartest woman on the planet has to relearn everything.

Ha'ven Ha'darra is the Crown Prince of the Curizans, an advanced species known for their technology. They may not have the power to shift like the Valdier or the Sarafin, but they have hidden powers of their own that they closely guard. Not even his best friends, Creon Reykill of the Valdier or Vox d'Rojah of the Sarafin, are aware of the powers he holds within his deadly frame.

Rose McKenzie may be far from Earth with no way back, but she's made a powerful ally - a fellow prisoner with whom she's formed a strong bond. Sazo's an artificial intelligence. He's saved her from captivity and torture, but he's also put her in the middle of a conflict, leaving Rose with her loyalties divided. Captain Dav Jallan doesn't know why he and his crew have stumbled across an almost legendary Class 5 battleship, but he's not going to complain. The only problem is, all its crew are dead - all except for one strange, new alien being.