ISBN-13: 9780340980644 / Angielski / Miękka / 2010 / 480 str.
TV producer Fliss Benson receives an anonymous card at work. The card has 16 numbers on it, arranged in four rows of four. Fliss's new project is a documentary about miscarriages of justice involving cot death mothers wrongly accused of murder. Soon after, one of the mothers is found dead - with a card with 16 numbers on it.