In the spring of 1907, the authorities sent Lykov to Rostov-on-Don for an inspection. But as soon as the detective began to audit the local police, a tragedy happened: bandits robbed a modest accountant, gouged out his eyes, and he committed suicide out of grief... The local police decided to let the matter go. However, Lykov undertakes to find the killers. And again his intuition does not let him down! He begins an investigation and goes to the bosses of the underworld, who keep the whole of Rostov in fear. And now the detective faces another risky business, and he has no choice but to engage in mortal combat with the bandits of the lucky city...