After a terrifying stunt gone wrong leaves her plummeting into the tops of forest trees, a shaken Darcy Lott is dispatched by her Zen master to a remote monastery in California's redwood forest to face her worst fear — but also to deliver a message. This monastery has its own secrets. A student has disappeared and is feared dead. The leader of the monastery, Leo, Garson-roshi, is soon to leave under mysterious circumstances, and Darcy fears that trusting the likeable Leo will lead her into further danger. Yet, as Darcy struggles with her phobia, she becomes drawn further into this mystery, one she learns she must solve it in order to get out alive.