Yegor Kremnev, a special agent of Russian intelligence, receives a new assignment - to provide insurance for the Parisian agent Anna Ballon, who has just failed a secret operation. Will the sophisticated Anna and the straightforward Yegor be able to forget about mutual hostility, if not only the success of the operation, but also their lives depend on it? Will they be able to return the stolen secret documents, and will they learn to trust each other? After all, the theft of the archive is only the beginning of a chain of exciting and deadly events, from which it will be difficult even for the Invincible to get out.