On a beautiful September afternoon, a hike through the pristine wild of Still Waters Chasm become a path of mystery and deadly danger for Gabriela Domenici and her boyfriend, Daniel Red Deer. First, they take a side trail to an inexplicable construction site in the middle of the woods, where every tree has been cut down and a huge truck bearing strange-looking equipment is parked in the middle. As they continue their hike to the lake, they find a man convulsing with his last breaths, not far from the lifeless body of a woman. After going for help, Gabriela and Daniel return to the scene—only to find the two people and their canoe and gear are gone. It seems impossible that two bodies could revive and leave on their own, but there is no other explanation.
When she conducts a library outreach program in the rural Town of Livery, near Still Waters Chasm, Gabriela discovers a community that is both curious and suspicious. There, she meets Lucinda Nanz, an herbalist whose encyclopedic knowledge of plants for help and harm is both fascinating and troubling, and Wendy Haughton, a young woman who desperately wants to sell an old drawing of unknown origin so she can escape her abusive husband. Despite the state police's warnings to stay out of the investigation, and Daniel's urging to not get involved, Gabriela cannot stay away from Livery and Still Waters Chasm—which puts her on a collision course with yet another murder and people who will stop at nothing to prevent her from getting too close to the truth that could destroy chasm.