Mad Dragon Francis Quarles

To Greenfield's elite, Caleb Quinn is nothing more than a lowly driver. But behind the wheel hides the true ruler of three of the dark web's most powerful organizations. When a deadly conspiracy surrounding a so-called universal cancer cure throws the city into chaos, Caleb finally steps out of the shadows. The Big Four families, underground kingpins, and legendary martial masters all discover the same terrifying truth: they are powerless before the Mr. Quinn. As enemies fall one by one, Caleb unleashes his wrath, shatters a shocking scheme orchestrated by the Hale heir, and carves his name into legend.