When wounded wolf Skinwalker, Nick Chien, comes under the care of Jessie Healy, she knows it's her duty as a Dreamwalker to kill him. But there's something about the handsome stranger that stays her hand. A tense truce forms as they realize they must work together to defeat a common -- and deadly -- enemy. The Ruler of Ghost, Nagi, is building a Spirit army designed to destroy all. To stop him, Jessie will need Nick's help. But once close to the lure of Nick, will Jessie commit the ultimate sin...?