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Hyacinth volunteers to look after the old people in an outing to the funfair, however a certain old man proves to be quite a handful. As the day progresses, Hyacinth ends up in a mirror house, on some dodgems and on a ghost train.

Hyacinth prepares for the Mayor's fancy dress ball and is also on a mission to impress the new neighbours, a few streets away.

Richard is terrified to wake up to see Hyacinth smiling at him; he later realises he has forgotten his and Hyacinth's wedding anniversary. Richard then decides to have an alarm system installed, claiming it is Hyacinth's "surprise" anniversary present.

Hyacinth organises a riverside picnic, much to the despair of those invited. Despite Emett's and the Vicar's best efforts to tell Hyacinth they are unable to attend, they find getting out of Hyacinth's function impossible. As always, Hyacinth's plans of perfection are shattered when a digger dumps dirt in her chosen location for the picnic.

For Richard’s birthday Hyacinth buys some skis as she believes they "will look good on the car". However needing Violet and Bruce’s roof rack the Buckets head off to Violet's luxury home, picking two neighbours up along the way. Hyacinth is thrown into a panic when arriving as Violet and Bruce are arguing.

Richard is not looking forward to going to a country house sale with Hyacinth as he believes she will spend beyond their limit. Liz and brother Emmett are also going to the sale, and are devastated when they realise Hyacinth is there. Meanwhile, a Mrs Braddock has commandeered Onslow’s car and is impersonating his dog, which has gone missing.

Hyacinth sings to her hearts content when discovering Emmett's latest musical The Boyfriend is in production. Meanwhile Daddy is once again back in the war and guarding Onslow’s house with a sharp object.

A "luxury barbecue" at Violet's house looks like being a disaster because Bruce and Violet keep having violent arguments. Hyacinth organises a sing song in an attempt to take everyone's mind off their hosts' battle. Later, Hyacinth goes along to a rehearsal of "The Boy Friend" to offer her services to Emmet.

Hyacinth is completely insulted when she is awarded second prize at the local craft fair, and over Lydia Hawksworth. Scandalized even further when she and Richard are overtaken by Lydia's new car, it isn't long before Richard's worst fears are realized and Hyacinth sets her sights on a newer, more expensive Rolls Royce.

Hyacinth has put an advert in the local newspaper to teach people social etiquette, however an excited Hyacinth does not quite get what she expected.