"It's summer, and after ten years away, Allie Beckett has returned to her family's cabin beside tranquil Butternut Lake, where as a teenager she spent so many carefree days. She's promised her five-year-old son, Wyatt, they will be happy there. She's promised herself this is the place to begin again after her husband's death in Afghanistan. The cabin holds so many wonderful memories, but from the moment she crosses its threshold Allie is seized with...