An ordinary day in an ordinary Moscow five-story building ends in tragedy: an explosion occurred in one of the entrances. People have lost not only a roof over their heads and property, but also lost their loved ones and relatives... Grief unites people, and now the survivors will have to learn to live anew together. And the main thing is to understand the true causes of what happened.

On their way home through an unknown city, Alexander and his father are attacked and seriously injured by some drunken juvenile delinquents. The father dies, and Alexander becomes a dangerous witness, which must be eliminated.

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.