Lauralyn LaPlant and her sister, Bridgette, could not be closer. Their shared passion for adventure draws them to scale a sheer cliff one fateful day, but despite their experienced precautions, Bridgette suffers a terrible accident and plummets to an untimely death. Shattered by grief, Lauralyn soon makes a sobering discovery: this was no accident--her sister's climbing rope was cut. But who wanted Bridgette dead, and why? It's up to Lauralyn and...