'People like to think that money and love are opposites. Anna Moore, tax inspector A2 Grade, has come to be less sure...' Anna is assigned to investigate John Law, code maker, code breaker and the world's first quadrillionaire. What follows is a lesson in generosity and greed, and a powerful discovery of love.

Precious stones pass through the hands of many people, hands that leave no apparent trace. But traces are there all the same — impressions, like the atoms of hydrogen drawn to the surface of a diamond. This story charts three lives linked by one such jewel.