After Anna joined the secret alliance of time guardians, the next adventure was not long in coming. During her final exams, she is overtaken by terrible news from Paris: Sebastiano has gone missing, and in the seventeenth century! Anna goes on a dangerous journey and, of course, finds her lover in Paris. But a new problem arises: he considers himself a musketeer and has no idea who Anna is. Will she be able to help restore Sebastiano's memory?