In Her Mate’s Arms by Mary Winter

When Kacie’s alpha hits her, she knows it’s time to leave her pack. Using Shifters United’s help line, she makes her way north to Iron Horse territory where a safe house awaits. She plans to stay there until she can move north, but when she realizes her mate’s pack runs the safe house, perhaps she’s found her home after all.
Sloan Dundrick knew first-hand what abuse could do to a family. His sister had died because of it, and that’s why he’d built a safe house on his family’s land. When he hears word of an unmated female needing sanctuary, he offers. Then he discovers it’s his mate. Nothing will stop him from claiming what is his and ensuring her alpha receives retribution for the pain he caused her.
An alpha’s challenge threatens everything Kacie and Sloan hold dear. Will the pack survive? More importantly, will she be able to remain in her mate’s arms.
Note: This book was previously published as part of an anthology.