A history card game in a background of French Revolution, in which players try to understand, through clue collect, Where, When and Who finally kept the lost treasure destined to free the imprisoned French Queen Marie-Antoinette.
First, players have to select secretely one of the characters (Marie-Antoinette, Borel or François de Jarjayes), a place (Jarjayes Castle, Highlands, Temple prison) and a year (1791, 1792,1793).
When the scenario is completed, each player earns an investigation sheet, 6 gold pieces, and a pencil.
Note that each clue (characters, places and years) are in 4 copies in the game, only discriminated by a specific iconography.
After a drafting phase (memory needed!), the players will bid to collect new clues, spending carefully their gold pieces in order to find new informations.
Sometimes, they only catch rubbish, but often, they can find news info cards or secrets hiding places full of money to help them in their prospections.
Then, they may deal their cards, and lies are permitted.
When an entire year of searching actions (the full game is made of 2 phases) is over, the players may bet about their suspected scenario, allowing them to score bonuses or maluses points.
If there is a tie at the end of game, the richest player is the winner.