When the wreckage of a small plane belonging to a Las Piernas Police Department detective who disappeared a decade ago is discovered in the San Bernardino Mountains, an emotional and disturbing triple-homicide case is reopened with a vengeance. Was the pilot a sellout who murdered a key witness? Alone, following his instincts, Frank traces the path of his predecessor to uncover the truth - and comes face-to-face with a madman whose killing intent has just taken off.