Arthur's Dyke is a 2001 British film starring Pauline Quirke

Pauline Quirke

Pauline Perpetua Quirke is a British actress. She is best known for her role as Sharon in the comedy series Birds of a Feather, alongside her lifelong friend and frequent acting partner Linda Robson...

 and Brian Conley

Brian Conley

Brian Conley is an English comedian, television presenter, singer and actor. At the peak of his television career, he was the highest-paid male television personality in the UK. Outside of television, he is best known for his frequent portrayals of Buttons in pantomime versions of...

. The plot follows a group of ramblers as they attempt to recreate their conquest of the Offa's Dyke

Offa's Dyke

Offa's Dyke is a massive linear earthwork, roughly followed by some of the current border between England and Wales. In places, it is up to wide and high. In the 8th century it formed some kind of delineation between the Anglian kingdom of Mercia and the Welsh kingdom of Powys...

path 20 years earlier.

Plot

The movie begins with a flashback to 20 years earlier, with four friends celebrating after completing the Offa's Dyke walk, from Chepstow to Prestatyn.