Benjamin and his sister Karen, the heroes of the Traces of Love story, often visited their grandfather in his large mansion and loved to listen to his stories about the adventures of his youth. Most often he remembered Paris, admired this romantic city. There he met a beautiful girl, a graceful fatal Frenchwoman, with whom he fell in love. The couple spent several days together, and then the girl simply disappeared. The lover and the guy looked for her, but to no avail, then returned home. Life went on as usual, he fell in love again, got married, became successful, but he could not forget that love and told his grandchildren about it. Karen and her brother decided to please their grandfather and find his missing girlfriend. They went to Paris and intend to conduct a real investigation in Traces of Love.