Munro by Kresley Cole — book slip

Munro MacRieve, a tormented werewolf, finds himself caught in a desperate struggle after being tortured by warlocks. Just when he discovers his mate, Kereny "Ren" Codrina, she is ripped away from him.

Determined to reunite with her, Munro uses his captors' powers to travel back in time. Ren, a cunning huntress, captures Munro when he crashes her wedding, but soon finds herself drawn to the wounded beast.

As they navigate a dangerous future together, Munro must convince Ren that she belongs with him, even if it means making her immortal. With danger looming, Munro is willing to risk everything, including his soul, to ensure their survival.

Can be read as a standalone.