The film is set in St. Petersburg, Russia after the Russian revolution of 1917. Based on the eponymous book by Boris Lavrenev. Maj. General Yevgeni Pavlovich Adamov (Popov) was a lawyer in the Tsar's Army and a professor of law at the Military Academy before the Russian Revolution. In the fall of 1918 he was arrested on false accusations and suffered the loss of all his property and honors. During the turbulent times of Revolution he managed to use all his experience and professionalism to prove his innocence. He was released from prison and all charges against him were dropped. He became a free man, but the reality is changed, and his adaptation to the post-revolutionary life was not easy.