The Russian drama series "Wolf Sun" tells the story set in the 1920s in the Soviet Union. The plot revolves around a young Chekist named Mikhail Ostankin, who unexpectedly becomes the possessor of highly important information. Several months later, a white emigrant army led by British intelligence will invade the country. According to the received data, the main strike will be aimed at the Polish Republic. The authorities want Ostankin to prevent the attack at any cost.