They were two little girls who grew up a few miles apart in Tyneside in the 1950s; but their lives couldn't have been more different.
Jenny Lee Smith was the adored only child of later-life parents. However, Helen Lumsden, supposedly 15 months younger, was brought up by a violent father and unhappy mother.
Half a century on, Jenny and Helen - now Jenny Lucas and Helen Edwards - join us to tell how their two extraordinary stories flow into one.
After years of research, they are certain they were born on the same day - to the same mother.