Margaret Woodruff is slowly dying in a care home. When her son is presented with the chance of exceptional care in her final months, he finds the offer hard to resist.
Winifred is assigned to Margaret's care. She's a Helper: a new kind of carer that's capable, committed and completely tireless – because she's a synthetic human being.
Under Winifred's care Margaret's health improves beyond everyone's expectations, and Winifred begins to learn from Margaret what it means to be alive. After all, she has a lifetime of experience to pass on – and in a world where youth is the ultimate prize, perhaps it takes a robot to recognise the value of old age.
But how will Winifred use what she learns from Margaret – and what does she truly want from her?