The show relies heavily on a small cast of esoteric characters, including:  rugby league fanatic Colin; everyman Brian, who comes closest to being the group's leader; and Graham and Janet, a bland couple who struggle over the issue of having children.
This program revolves around a limited number of unique personalities: Colin, a passionate rugby fan; Brian, a typical individual who acts as the group's head; and Graham and Janet, a pair grappling with their differing views on having children.