A dying comrade in the French Foreign Legion entrusts you with a diary containing clues to a lost temple full of precious gems. Following the trail draws the attention of the Society of the Ancients, who are hunting for the same temple. Across two continents and over a dozen locations — a legionnaire's fortress, a jungle ruin, a German castle full of secret passages, and an old museum's forgotten basement — you solve the diary's mysteries by voice command, choosing paths and interacting with your surroundings entirely through speech.