Long Lost Family S15E05 - Episode 5

Alan Parker's painful last memory of his mother is of her leaving the family home when he was five - the reason she left and what happened to her afterwards remain a mystery that Alan's desperate to solve. In the second case, seven-year-old Katherine Fletcher was told that she was adopted and felt an immediate sense of shame - although unfounded, that shame fuelled a desire to find her birth mother that has only intensified as the years have passed.