When Keil's father succumbs to dementia, she disguises herself as a man to save her family. But her quest is threatened when she accidentally bonds with a man who has traded all his wealth and land for the addictive drug, tam. Furious, she rejects her new bondmate and takes control of the landholding that she believes will keep her family safe. But the tam is spreading and will soon destroy not only her land but also all life if she cannot find a way to stop it. Like it or not, she's forced to team up with her bondmate to save their world.