A teenage girl Vika and a successful but single middle-aged woman get closer in an attempt to take revenge on Zoya’s former lover. They develop a taste for it. They steal and crush his car, burn down his house, and plan to destroy his family.
A special train from St. Petersburg to Moscow. General Khrapov is stabbed in his compartment. A mysterious "BG" mark was found on the handle of the bloody blade - the sign of an elusive terrorist group. Only Fandorin can neutralize it. Prince Pozharsky, who is also investigating the case, stands in his way. A deadly duel begins.
