When successful young black woman Hortense sets out to find her biological mother after the death of her adoptive parents, she discovers a truth that turns her world upside down. Her mother Cynthia is a lonely, white factory worker living in poverty in East London.
Cynthia's initial shock and denial give way to a tentative bond with Hortense, which throws her life and family relationships into sharp relief. As Cynthia struggles to confront her past, her brother Maurice also plays a crucial role in the drama. His marriage to Monica has its own tensions, and the family's long-buried secrets threaten to come to the surface.