Sonia Gray returns to help solve family mysteries. From a single clue, Sonia and an amazing team of experts track down answers.

Sonia and her team help to fill the gaps in Melanie’s grandmother’s story. Then, the story behind a handmade wedding dress is revealed.

Sonia helps Tracey uncover the truth about her grandfather. Are the rumours true - Was he a Nazi spy or a victim of suspicion?

Sonia and her team of experts discover the truth behind the mystery man in the photograph. Who is he and was he a bigamist?

Determined to solve a century-old mystery, Sonia helps Angela uncover why her mother was abandoned at the train station.

Melanie uncovers her grandmother's courageous journey to escape the war, While Lisa looks into the origins of her grandmother's mysterious wedding dress.