Bastien Bonlivre is in trouble—again. His old enemy, Olivier Odieux, has escaped from jail and is back on the hunt.
At the same time, chaos is spreading across Paris. Fires are breaking out, and danger is everywhere. Determined to uncover the truth, Bastien and his friends Theo, Alice, and Mathilde embark on a daring treasure hunt. But time is running out—and if they fail, it won’t just be Bastien’s life at risk. (Book 2)