This is essentially a one joke film.Sally Anne Bowes plays a girl who stops any mechanical machinery within 15 minutes of having contact with it.So this means that the writer ensures that she makes contact with all types of machinery.From cars,trains,film projectors and planes,she stops them all. Basil Radford and Naunton Wayne play multiple roles as the operators of the various types of machinery. Gordon Jackson plays a journalist who publicised her unique talent.As a result she becomes a pariah.However true love wins out in every respect.A young Gordon Jackson plays a typical journalist who must continue to make love to Bowes to counter her talents.