On St George's Day, patriotic Flora is displeased when Miss Milton's German uncle-in-law Klaus visits. However, she changes her tune when he tells her that he finds her very attractive, and eventually proposes to her. Unfortunately, there is an obstacle in their path, and her name is Cissie. Klaus thoroughly dislikes her, and Flora is forced to choose between her best friend and a new life in Germany.
Having robbed the post office while Cissie is present, Fingers and his brother Junior hide out at the retirement home, taking the residents captive. Flora drugs and disarms the gun-toting Fingers, but Cissie makes a deal with Junior, allowing the pair to escape — though the ladies are left with the loot.
Cissie picks up the office phone and finds herself talking to an obscene caller, which, in her innocence, she enjoys. An outraged Flora demands action to trap the pervert, and persuades a reluctant Roger to make a similar call, so that Miss Milton will take action. In the event, somebody else beats him to it, spelling misfortune for the vicar.
After yet another disagreement with Miss Milton over another resident, Flora moves out, taking the loyal Cissie with her. However, their new abode is a squalid affair, with a greedy, miserly landlord. Dolly and Mildred are appalled when they visit. It is hoped that they can persuade Miss Milton to allow Flora and Cissie back again.
The ladies decide to earn some extra money through outwork, and go to the job centre, where Cissie ticks a box indicating that they will be addressing envelopes. Therefore, they are surprised to find five thousand models of Native Americans, which they're expected to paint. The work done, they return to the centre for pay, but an unwelcome surprise awaits them.
When Flora goes to church, she is appalled to hear the vicar announce that Cissie is to marry local librarian Horrace Maddox. On being questioned, Cissie learns that she accidentally said accepted his proposal. To get her friend off the hook, Flora visits a marriage bureau to get Horrace another wife, but when she succeeds, Cissie is suddenly envious.
The ladies go on a day trip to Scarborough, where Flora had a wonderful honeymoon — in the room next to her husband. When the coach driver leaves for the afternoon, leaving the lunch hamper locked in the vehicle, Flora and Cissie break in and get arrested. Only at the police station does Cissie remember that she has the keys.
Christmas 1979: Flora has trouble organising the others with the caroling. Cissie has a mishap with super-glue whilst mending the nativity crib. Next day, the tree lights blow, and the concert is a disaster, but at least Cissie gets the presents she wants — an Action Man she names Beryl, and three camping stoves — which come in handy when the oven blows a fuse.
Christmas Eve 1980: Cissie gets her wish to dress up as Santa Claus and dish out the presents, and goes to bed in costume. However, a similarly dressed burglar breaks in, and Cissie mistakes him for the real thing. Somehow, their sacks are mixed up, and the ladies end up with some very valuable gifts.