France, 1794. In the darkest hours of the French revolution, deputy Maximilien de Robespierre has created a secret elite team of spies and assassins. Code name: La Machine Infernale. A writer has discovered the existence of the secret organization, and is getting ready to publish a book revealing the whole plot. But when he comes across a mysterious Asian woman sitting on a bench in a beautiful park, he is about to discover that every secret comes with a price.