In the early autumn morning of 1903, a guillotine was installed in the square by St. John’s Cathedral. On the platform walked the beautiful poisoner-marquis Rita Valtroa… After the marquis’s execution, her daughters were sent to a home for orphans, where their paths separated for a long time. Marie was taken in by her sister of the Grand Duke—an older family without children—and she enjoyed love and luxury. Margot, however, went through all the circles of hell: she lived with a dissolute priest, then was sent to hard labor for a murder she hadn’t committed, and was sentenced to be shot. She was saved by Madame Circeya, the owner of a boarding house for girls. But she taught her wards not good manners, but the art of stealing and swindling. Margot turned out to be her most talented student. And soon she got a partner—Marie’s… The sisters reunited, and soon a chain of daring robberies swept across the world. Police commissioner Félix Dежьен swore to catch the elusive criminal sisters at all costs. One day he faced Margot face to face, but she managed to escape right under the detective’s nose. After this meeting, they both lost peace…