Episode 5

Margaret Teague always wondered why she did not look like the rest of her family. Convinced she was adopted, Margaret engaged the services of a professional family finder and discovered that not only was she adopted, but she also has a brother called Mark. Mark is overjoyed to finally be reunited with the sister he never knew he had. Unlike Margaret, Mark has memories of his mother, and he takes his sister on an emotional and revealing trip to London to learn more about their shared past.