Let's go in April 1986 and you will be on a guided tour of the Chernobyl nuclear power plant. After stepping into the control room, the alarm system is activated, the doors lock and the guide remains on the other side of the door. There is one hour of one of the tragic events of mankind to begin. You have 60 minutes to change the chain of events to prevent a nuclear power plant accident. Will you withstand the pressure when the destiny of hundreds of thousands of people is in your hands? Do you want to solve the puzzles on time, prevent the accident and escape from the control room? It all depends on you now.