The Stables of Diomedes. Investigation by Léandre Lafforgue

1857. To the cheers of the crowd, on the green and well-kept lawns of the new racecourse inaugurated with great pomp, horses from the best breeding grounds race before the eyes of prestigious spectators, including Emperor Napoleon III and his wife.

But behind the scenes, behind the packed stands, ambushes and trafficking are being organised; a dangerous world where intruders and snoopers are definitely not welcome.

Why so much mystery surrounding an apparently simple investigation entrusted to a fallen police officer?

Why this crime scene that we are trying to keep secret at all costs?

And what to do when faced with a case with too many leads?

These questions and many others, Léandre Lafforgue, alias "le Goupil", will have plenty of time to ask himself when, alongside his friend, agent Pantecroët, he is tasked with going incognito into the lion's den in order to unearth the many secrets of the Diomède stables...