The story presents a series of characters in a small Yorkshire village played by two actors who offer us several versions of their lives depending on whether or not they lit a cigarette at a certain point in time.
as Celia Teasdale / Sylvie Bell / Irene Pridworthy / Rowena Coombes / Josephine Hamilton
as Toby Teasdale / Miles Coombes / Lionel Hepplewick / Joe Hepplewick
as Narrator