Bobbie, Peter and Phyllis live happily in London with their parents. One day their father is taken to prison and the children move to the countryside with their mother to make a new life. There isn't much money and the children are worried about their father. They spend a lot of time by the railway watching and waving at the trains that go to London. A nice old gentleman waves back and Bobbie has an idea. Find out in this fun story full of love and hope.