[Siren Everlasting Classic ManLove: Erotic Alternative Paranormal Romance, M/M, shape-shifters, HEA] Caged his whole life and subjected to horrific experiments, Chance is wary of humans until he's saved by his mate. Even though Chance isn't like the other shifters of the Rough River Ranch, he knows Spencer "Doc" Hall is the only man for him. Doc has had patients fall for him before, but he's never had a problem keeping his distance. All that changes with Chance. When hiding behind his profession doesn't work, Doc insists he's too old to be Chance's mate. Two decades is a lifetime. Determined to respect Doc's choice and finding a devastating reason why they shouldn't be together, Chance moves on. But the wild beasts inside the men's souls refuse to be tamed. Surrender means sacrifice, and if they choose submission they start the shifters on a new path of reclaiming those who were stolen and wrongly imprisoned. ** A Siren Erotic Romance