When Harry Lambert's signal is seen to be on fire, Ethel, Jack and Wilfred attempt to put matters right, but it only leads to them causing a small fire on the platform. Mr Parkin mischievously buys a set of expensive lingerie for May, for the eighteen birthdays she has had since they last met. May thinks that the only thing she can do is give them back, but she wishes she didn't have to. Jack gets wind of the present when Vera Plumtree, the station cleaner, seemingly accidentally lets it slip. Jack demands to know what is happening, but Ethel spins a story and Jack is convinced it was innocent. He insists that May comes home with him for a bit of hanky-panky, and Wilfred and Ethel have to deal with an unexpected arrival of a lion at the station.

Mr Parkin's former flame, a tax-inspector named Edna Taylor, to whom he has been engaged for six years, finds a letter on his desk and is not pleased to discover that he no longer loves her. Meanwhile, the station attempt to stop Mr Parkin from discovering the pig they have procured for their Christmas dinner.

May Skinner wishes to find a job at a larger station, and earn some more money. She is offered a job at Loxley Station, and goes for an interview, but Jack and Cecil will stop at nothing to ensure that she does not get the job. Harry Lambert is also interested, because the man doing the interview, Frederick Foster, is coming to the station to sample May's buffet. Frederick is the man for whom Harry's wife left him, and now seems a good opportunity to get his revenge.