A Honeymoon Adventure

A Honeymoon Adventure is a 1931 British thriller film directed by Maurice Elvey and starring Benita Hume, Peter Hannen and Harold Huth. Written in collaboration by Rupert Downing and Basil Dean, it follows a brilliant scientist and his wife who go on honeymoon to Scotland where they are nearly kidnapped by agents of a foreign power. The film was shot at Beaconsfield Studios. Location shooting, including the railway scenes took place in Scotland.

Source: Wikipedia