Jean is baffled when her daughter goes out with one of her clients. When the two meet, they realise they were once lovers, separated during the Korean War.

Jean sends Sandy to Lionel’s hotel to assist him with his book revisions. But when she arrives, she is told he has checked out, and a charade of confusion follows.

Lionel and Jean spend the day walking around an old town they used to visit when they were young. They find that even though things have changed, their treasured memories remain.

Jean and Judy pay Lionel a surprise visit at a conference in Norwich, but find him staying with another woman. Meanwhile, Alistair starts to show more interest in Jean.

After their visit to Norwich, it becomes clear that Alistair is in love with Jean, not Judy. Meanwhile, Jean aims to get back at Lionel for what happened at the lecture.

Realising how absurd it is that Judy and Alistair have feelings for Jean and Lionel instead of each other, the elders plan a picnic to show them that they are meant to be together.