Foregoing her sled dog training after knee surgery, a bored Jessie Arnold goes to help in an Iditarod booth at the Alaska State Fair, but the event is overshadowed by a murder and the disappearance of her lead dog.

Unearthing an old skeleton while rebuilding her Alaskan home, Jessie Arnold learns that the bones might belong to the victim of a serial killer from decades earlier, but after another woman's disappearance, she begins to suspect otherwise.