Explosion

In October 1979, a terrible explosion occurred at the railway station – the carriages carrying explosive substances broke free from their brake blocks and collided with a passing freight train. While providing assistance to the victims, paramedics accidentally discovered a green notebook containing encrypted records. They may lead to a successfully operating large crime syndicate, but it won't be easy, as an excellent chess player on the opposing side knows how to calculate all the moves and does not shy away from the harshest tactics.