Gillian Carter from Sheffield became pregnant shortly before her 18th birthday and had hoped to keep the baby with the support of her aunt, but the arrangement fell through due to illness. Now, the 66-year-old is looking forward to a potential reunion with her son. Sandra Macdonald, 53, was given up for adoption in Edinburgh in 1960 and grew up with the feeling something was missing from her life. At the age of 15 she started searching for her birth mother, but she was met by disapproval and misinformation at every turn. Davina McCall and Nicky Campbell tell Gillian and Sandra's stories, guiding them through their emotional searches.

• Davina McCall
• Nicky Campbell