A small group of talented individuals, armed with their work experience on Wall Street, managed to uncover a conspiracy in the American stock market, proving that its mechanisms are set up to favor those with better insider information. They also showed that during the period following the American economic crisis, Wall Street banks did not loosen their control over the financial markets - on the contrary, they strengthened it.

The protagonists of Flash Boys, working for different companies, each came to their own conclusions. But when they met, they formed a fearless team that fought to reform the financial markets.

Michael Lewis attempts to shed light on the dark aspects of the world of economics. The wonderful protagonists of the book, so different from the "Wall Street trader" archetype, maintain a sense of moral duty in an environment where no one pays you to be ethical.