Deep in the heart of Paris, its oldest cemetery is, by 1785, overflowing, tainting the very breath of those who live nearby. Into their midst comes Jean-Baptiste Baratte, a young, provincial engineer charged by the king with demolishing it. At first Baratte sees this as a chance to clear the burden of history, a fitting task for a modern man of reason. But before long, he begins to suspect that the destruction of the cemetery might be a prelude to his own.