Mark Williams-Thomas continues his investigation into the mysterious disappearance of Bournemouth wife and mother Carole Packman. Her husband Russell is in jail for her murder, but Carole's body has never been found. Now the couple's daughter Sam has turned to Mark for help. His investigation leads him to Canada after he learns someone calling themselves Carole Packman began a new job in Montreal a year after Sam's mum disappeared. He then travels on to Guernsey to hear how police there were investigating Russell's disappearance after he apparently fell off a yacht during a sailing trip.