Ada is a widowed writer, navigating loneliness in Oxford after the death of her husband. She has no children. No grandchildren. Eliza is a student at the university. She finds it difficult to form meaningful relationships after the estrangement of her mother and breakup with her girlfriend. After meeting through Ada's new venture, 'Rent-a-Gran', they begin to find what they're looking for in each other. But can they cast off their isolation for good? Clever, warm and funny.