Saved by the Big Bad Wolf by Elizabeth Greene

Raised by her grandparents, Rose Woods has lived a safe and steady life as a member of the Darkhills wolf pack. When her place within the pack is under threat, she is faced with an impossible choice:
Mate the Alpha or leave.
All seems lost until she is forced to defy pack law and go on the run with a mysterious and dangerously enthralling lone wolf.
Cayden Greystone is the rightful Alpha of the Greystone pack, but past tragedies have convinced him he is better off alone. That is until he meets Rose. When she’s threatened, his wolf’s need to protect and claim his mate has dire repercussions for them both.
Will the strength of their bond be enough to save them, or will pack covenants and past demons prevent a new moon rising for the Darkhills pack?