Long Lost Family S15E07 - Episode 7

Before they were married, Mandy's parents had a baby girl they had placed for adoption, and she is now set on finding her big sister. In the second case, Jane thought she was an only child, but her mum revealed when she turned 18 that she had a baby boy 11 months before her daughter, who was put up for adoption. Now Jane wants to find her long lost brother.