"Kate Marshall's fledgling PI agency takes off when she and her partner, Tristan Harper, are hired for their first big case. It's a cold one. Twelve years before, journalist Joanna Duncan disappeared after exposing a political scandal. Most people have moved on. Joanna's mother refuses to let go. When Kate and Tristan gain access to the original case files, they revisit the same suspects and follow the same leads--but not to the same dead ends. Among...