A romantic comedy written by and starring Alexei Sayle. A couple on a first date in London are determined to find a drink after closing time, to prove to themselves that they are not careworn and middle-aged. What follows is a series of misadventures

Diana and Deric have an ideal marriage: they thrive in each other's company, they're funny, and they enjoy their two grown children and Deric's dotty mother; the trouble is, Diana can no longer walk and her malady defies medical diagnosis. To care for Diana, Deric is letting his business slide, but at a civic luncheon, he is seated next to Aileen Armitage, a novelist who is blind. They have a nice time, and on the sly, Diana contacts Aileen to made an odd request. Diana's declining health and her resolve bring this triangle of unlikely friends to a surprising place.

The absurd adventures of two defective detectives, who - despite unbelievable incompetence - somehow manage to solve their cases (or be nearby when the cases are solved) and retain their jobs.