Mercy Thompson's life has undergone a seismic change. Becoming the mate of Adam Hauptman has made her a stepmother to his daughter Jesse. After an accident in bumper-to-bumper traffic, Mercy and Jesse can't reach Adam, or anyone else in the pack for that matter. They've all been abducted. Through their mating bond, all Mercy knows is that Adam is angry and in pain. All on her own, Mercy may be forced to seek assistance from the most unlikely of allies: the vampire seethe.