Tracey Boyle, a woman who discovered she had a brother after her mother confided in her following a hospital stay. Carrying the weight of grief for years, Tracey’s mother had given up her first-born son for adoption at the age of 16. Determined to find him, Tracey sets out to let her brother know that he was always wanted. Liz Allward, who was adopted as a baby, shares her unusual intuition. Liz always felt she had a biological sister somewhere, and this unusual feeling was confirmed. Now, she longs to meet her sister and finally complete her family.

• Davina McCall
• Nicky Campbell