Leo returns to Moscow to investiagte the murder of another child, then returns to Raisa on a train, who has been visited by Leo's former rival, who tries to persuade her to leave Leo and ride a train with him to Moscow.
In the meantime, Leo's former rival has visited Raisa to persuade her to leave Leo and go with him to Moscow. Leo returns to Moscow to investiagte the murder of another child, then returns to Raisa on a train.
Leo returns to Moscow to investiagte the murder of another child, then returns to Raisa on a train. In the meantime, Leo's former rival has visited Raisa to persuade her to leave Leo and go with him to Moscow.
Leo returns to Moscow to investiagte the murder of another child, then returns to Raisa on a train. In the meantime, Leo's former rival has visited Raisa to persuade her to leave Leo and go with him to Moscow.