Raised in the cult of the lords of cycling, Erwann Menthéour dreamed of equaling his older brother. At twenty, winning his first criteriums, he understood the rules of the game: dope to win. It started with simple vitamin injections and quickly progressed to the most elaborate chemical cocktails.Why do riders accept this system at the cost of their health? Why do great coaches play so dangerously with their men? From the first regional criteriums to the big national races, from the anonymous rider to the best champion, how do you program a professional cyclist?At twenty-four, Erwann Menthéour slammed the door on the circuit after admitting to doping. In Secret défonce he tells it all. Who does what and how.“Cycling will rebuild itself on the truth”, some declared after the scandal of the 1998 Tour de France. Here is the story of a cyclist who, for the first time, breaks the law of silence.