The lives of Mother, Roberta, Peter, and Phyllis change forever when Father must mysteriously leave with two gentlemen during the middle of the night. The family must leave their home in the London suburbs and move to a small, isolated cottage out in the country. With all the commotion of living in the suburbs of London, the countryside seems so quiet! Naturally, the children are drawn to the one and only source of activity available to them, the railway station. The children quickly come to spend much of their time at the station and become involved in the many adventures involving the railway. As they adjust to their new lifestyle, the children cannot help but continue to question the mystery surrounding Father's disappearance. Where is he and will he ever return? Unabridged.