There is excitement at the approaching May Day Fair, but Mariette drops a bombshell and the tax man comes calling.

With their wit, charm and a little bit of cunning, the Larkins woo Charley the Tax Man. Mariette agrees to put her plans on hold and stay for the summer.

News reaches Pop that the train station is to close. With the help of Miss Chand and the villagers, Pop seizes the opportunity to save the railway and make money along the way.