Not every journey takes you far from home. Baked, mashed, boiled or fried, Mr Doubler knows his potatoes. But the same can't be said for people. Since he lost his wife, he's been on his own at Mirth Farm – and that suits Doubler just fine. Crowds are for other people; the only company he needs are his potato plants and his housekeeper, Mrs Millwood, who visits every day. So when Mrs Millwood is taken ill, it ruins everything – and Mr Doubler begins to worry that he might have lost his way. But could the kindness of strangers be enough to bring him down from the hill?
