The Russian detective series "Sasha the Good, Sasha the Bad" tells the story of a detective named Sasha Demin. He is sent from the capital to a city in Crimea. Accompanying him are criminals from the capital who plan to seize power in Sevastopol. Their main objective is to gain control over the port. Soon, a series of murders plague the city. At first, they seem unrelated to each other. At the same time, someone begins to distribute a narcotic substance that leaves no traces in the body.