Little Sister

Keely and Nina are sister's. When Keely turns up covered in blood, DCI Sheens and his team set to work trying to find Nina, the younger of the two, who is missing. This is a terrific twisty thriller as the police don't know what is fact and what is fiction as it slowly dawns on them that things are not what they seem. All of the police have distinct characters which is one of the strengths of the book.