Alison Steadman and Davd Johns star as the pair of elderly singletons who strike up a friendship while out walking their dogs. \"A moving, relaxed, honest portrait of two later-life singletons\" – Radio Times Pensioner Dave is a retired psychiatric nurse, living alone near Hampstead Heath, where he regularly walks his gentle, elderly German shepherd Tillie. One day, Dave meets a woman out walking her Yorkshire terrier Henry, and she ticks him off for not keeping Tillie on a lead. Henry’s owner is a divorcee named Fern. On a subsequent walk they bump into each other again, and this time the meeting is more cordial. Over time and distance covered in sensible footwear, the two develop a friendship that takes a romantic turn. But with the ups, come the downs…