"Amelia Hallworth, 30, is an only child and works as a nanny. Her father died of cancer seven years ago. She lives with her boyfriend Stephen Wrist, 28, who works in property maintenance. The two, helped by carers, look after Amelia's mother, Celia, 58, a former special needs teacher, who was diagnosed with Alzheimer's disease in her late forties." (Quoted from article)