Russian Roulette

Journalist Katherina Wagner visits the grave of her husband Viktor Kunin in St. Petersburg when her eight-year-old son Nikolai suddenly disappears. There are increasing signs of a kidnapping - apparently Katherina has powerful enemies of whom she has no idea. In the deceased's files, she finds evidence of the machinations of former secret agents. When looking for her son, Katherina cannot trust anyone. The motives of the Polish scrap dealer Adam Markowski, who tirelessly supports them, remain a mystery at first...