Silver Chains: A Paranormal Romantic Suspense. Shifters of Alder Ridge, #3

Her hope had all but faded. For two years Ezaray has been forced to be a prized fighter in an underground organization alongside her best friend. Ezaray was beginning to believe escape wasn't possible until a man with silver heat in his eyes shows up with a plan to break them out. He never expected finding his mate. Zachary's life has been on hold searching for his missing cousin. When he finally gets a lucky lead, he finds more than he was looking for.
The second he caught Ezaray's scent was like being struck by lightning. Now that's he's found her, he'll do anything to keep her. But they aren't out of danger yet. While Ezaray isn't sure what to do with her newfound freedom, she knows for certain she'll do anything to keep it. But the one responsible for her imprisonment is willing to do anything to put his best fighters back in chains. And Zachary refuses to let anyone take his mate from him now that he finally has a chance at a happy life.