It's two thousand and seventeen years old, you're going to the St. Petersburg metro on business, to the Institute of Technology.Before going to the subway, Seryozha tried to persuade you to take a taxi, but you refused.An explosion sounded, and the train began to derail.People are screaming in panic, everyone is falling, struggling and screaming. When you hit something hard, you blacked out. At the Institute of Technology, people are running around in panic,hysterical.