An abducted child tells the story of her stolen life, 30 years later

Sarah-Cecilie Finkelstein was 13 when she saw her own picture on a missing persons ad. Shocked, she came to realise that she had been abducted by her father as a toddler. Thirty years later, she and her mother are reunited and their story is being told in a new film. Simon Usborne meets the women who missed so much