The sun comes out on a Saturday afternoon in Manchester. Proud young mum Claire is watching her three-year-old son Sammy in the local playground. A little girl falls. Claire bends down to help. When she turns round Sammy is gone.

As each day passes, the chances of finding Sammy alive get slimmer. DCI Janine Lewis understands his mum’s agony — she has four kids of her own.

Day nine. A little boy’s body is found in a sewer. Wrapped in a sheet.

But this is a case where nothing is as it seems. A shocking revelation will throw the investigation wide open.

Discover the books behind the hit ITV detective drama, starring Caroline Quentin.

Fans of Rachel McLean, Angela Marsons, D.S. Butler, Lynda La Plante, Rebecca Bradley and Caro Ramsay are sure to be hooked from the first page to the shocking final twi