Grace Hazlett, reeling from the brutal discovery of her husband's adultery, takes their young son Adam to move back to her old family home. Her mother Isabel, now widowed, is a busy GP and set in her own ways.

Grace Hazlett, reeling from the brutal discovery of her husband's adultery, takes their young son Adam to move back to her old family home. Her mother Isabel, now widowed, is a busy GP and set in her own ways.