Seryozha was sitting at home and working on the computer. It was a surprisingly sunny day today and St. Petersburg looked great. It was warm, and late spring was already in full swing. Turning on the TV, Seryozha got on the news channel, which talked about a terrible accident on the Neva embankment. The guy didn't show it, but when he first noticed the license plate of the car that fell into the river, he immediately jumped up from his seat, it was the license plate of Margot's car that went to the store in the morning.…