When she was 30, Fiona Dunn found out that she had a younger sister her family had kept secret from her. Three decades later she hopes to meet her sibling and make up for lost time. Anne Clegg enjoyed a happy childhood but always longed to know her birth mother, who gave her up for adoption 48 years ago. Anne has done everything in her power to track down her natural mum, but to no avail, so she calls on Davina McCall and Nicky Campbell for assistance.