Everybody at the Women's Institute in the village of Upper Bottom is eagerly awaiting the arrival of a very special guest speaker - the world famous evolutionary biologist and television personality, Professor Richard Dawkins. But with a blizzard setting in, their visitor finds himself trapped in the nearby town of Market Horton, with no choice but to take lodgings with the local Anglican vicar.
Will the professor be able to abide by his motto - cordiality always - while surrounded by Christians?