Titanium Noir

The River of the Rich imagines a world in which there is a medical process which changes people into stronger, smarter, bigger humans, with a much longer lifespan - known as Titans.
But the procedure is incredibly expensive, so only a very small number of people in the world are able to afford it. The rest of the world both envy and hate them.
When Cal Sounder takes on a specialist role of being the go-to detective whenever a crime is committed involving a Titan, he finds it relatively easy to keep the peace, most of the time. But then along comes a case which threatens to expose all the carefully managed tensions of society at large...