Jess is trying to start a new life, avoiding excitement and focusing on raising her son. When the unthinkable happens, however, she realizes that she might never be able to escape the past. First, though, she's going to need some help. Duncan has a new friend, although when tragedy strikes he finds himself lost and alone. A deadly new force is rising, threatening the world, and for once Duncan's not sure how to fight back. All he knows is that he can't possibly turn to one of his oldest friends, not when he promised to let her focus on other things. But are their worlds about to come crashing together once again? The Immortal Wolf is the sixth book in the ongoing Lupine Howl series, which began in 2012. The book ends on a cliffhanger.