Jace is a medium, and his work involves the things most people would rather never know exist. Restless spirits, violent entities, vampires and werewolves are all part of the job, and together with Cassidy he travels from place to place dealing with the problems no one else can handle.
Cassidy was never supposed to become his partner.
When they first met, the werewolf was an uncontrollable predator Jace had been sent to kill. Instead, he chose to save him, and over the years that followed the two became inseparable.
Then Poppy arrives. Cassidy's eighteen-year-old sister is a newly changed werewolf, angry, reckless and nowhere near capable of controlling what she has become. When she disappears, leaving dead bodies in her wake, Jace and Cassidy are forced to follow her bloody trail across the country. They have to find her before the last of her humanity disappears - or before someone else decides she is beyond saving. At the same time, something else begins to change. What Jace and Cassidy have spent years ignoring can no longer be hidden behind alcohol, sex, bad decisions and another job. Old truths surface and their friendship begins shifting towards something neither of them quite knows how to handle. And while Poppy fights the monster within her, Jace and Cassidy are forced to face demons of their own.
Some are supernatural. Others are far more human.