After the unsuccessful attempt on the life of Baron Wrangel and the death of an intelligence agent, a new cunning plan is being developed to implement the "Crimean Mission". The best agent, Elena Golubovskaya, is appointed to this case. In Crimea, Golubovskaya appears already as El Ferrari - a gifted Italian poet. Her task is to eliminate Wrangel in order to demoralize the white movement, as well as control the operation to steal gold. Her plans are thwarted by Maximilian Ermler, a local newspaper journalist who turns out to be a British intelligence agent.
A rich heiress, Maria Sorokina, goes missing after a quarrel with her husband. Boris Novinsky, head of the police station, entrusts this case to a young detective, yesterday's intern, Alina Novinskaya, his daughter. It turns out that a maniac who strangles and disfigures young women who look like Maria Sorokina operates in the town. The search for Maria brings her husband, Mark, and Alina together. Seven years later, Alina and Mark have a strong family. But one day, Mark goes on a business trip and meets there a woman who looks like his missing wife, Maria, like two peas in a pod. Mark is unable to master the feelings that have overwhelmed him again and leaves Alina for a woman who so frighteningly resembles his late first wife. Meanwhile murders of young women are renewed in the town - a mysterious maniac, already forgotten by everyone, goes hunting again. Alina, abandoned by her husband, returns to the police work and the search for a maniac, which leads her to a shocking discovery.