When a marriage breaks it is the children who suffer and legal disputes over custody can be drawn out and bitter. But when the parents are of different nationalities the aftermath can be even more distressing. Jeanne La Chard and a Man Alive film team have been following the trail of missing children-and parents - from London law courts to Italy and southern Sardinia. In the studio Desmond Wilcox with the parents and the lawyers discusses the future of these unhappy children.