 The stories revolve around the various ways in which the family adjust to the island and its welcoming, but sometimes peculiar, inhabitants.The dominant themes of series 1 are Bill's attempts to leave the island, and the tragedy which befalls Lisa as she gradually pursues an adulterous relationship with one of its inhabitants.This overarching storyline is essentially reversed in series 2, with Lisa wanting to return to London and Bill considering starting an affair on Hildasay.