Every parent knows the stress of letting their kids out on their own for the first time, especially when they don't return in time for their tea.
Typically most will be blissfully unaware of the time as they're having too much fun, but others exploit the trust placed in them by parents and bend the rules slightly.
In 1957, one Edinburgh girl bent the rules to breaking point. 15-year-old Isobel Scott was off on a jaunt to the cinema one evening in January and failed to come home that night.
