Police dig in the back garden of a house in Luton searching for the body of a woman who disappeared in 2003, believing a painstaking fingertip search might reveal vital clues in a suspected murder enquiry. Natalia Wilkanowska's disappearance left detectives from the Major Crime Unit puzzled and frustrated with the lack of answers to their questions, and cameras follow every twist and turn of an investigation in which detectives have decided it's time to solve the case by turning up the heat on their suspects. (thetvdb.com)