Isabel loves David and David loves Isabel. Or does he? For three years, their relationship has forced her to live in the unreal twilight zone of the mistress, while he continues to share the pains and pleasures of everyday life with his wife, Hannah, and their teenage daughter, Jeanette.
Hannah is a home-maker and Isabel an independent career woman whose only reminder of a long-finished marriage is her beloved son, Philip. The women are poles apart; the one thing they have in common is their selfless love for David, who cannot - or will not - choose between them.
But time and circumstance conspire to change things. The extraordinary friendship that develops between Isabel and David's mother, Helen, together with a chance meeting with an old school friend, connect the past and present. And for Isabel, a new life begins ...