Deep in the Sierra Nevada mountains there lies a cave that has been the source of local legends for centuries. Purported to be the home of an ancient deranged and vicious animal, many have gone in seek of it, but what lies within is far more dangerous than a mere creature.17 year-old Piper "Evie" Kenley's life has been anything but calm, however, the turmoil of losing almost her entire family is nothing compared to the difficulties she is about to face.Robbed of all other alternatives, she moves in with her boyfriend of seven years and his family only to find that she has an intensely electric connection with the handsome and popular Devlin Vaughn- Captain of the football team. Try as she might, she cannot avoid this connection they share leaving her with a choice to make. But just as she begins to feel her life is in order, one camping trip and a testosterone-driven dare involving a cave with a deadly and contagious secret will send her entire world into complete chaos.