At the “Hippodrome de Vincennes”, Eva is denied access to allée a rangée 2 and the horse stalls. But she's saved as Adrien the paramedic uses his work pass to get her in. Once inside the clues start falling into place.
Eva is walking a fine line between triumph and disaster. When the cult members discover her spying on them, they're keen to make her cough up the password. As she tries to escape she finds she has to make a dreadful choice.
Eva is in the final moments of her mission. She can prevent a terrible disaster but she's running out of ideas. She thinks the book holds the answers but it is empty.