it's the 26th of April, 1986, in Chernobyl, Ukraine (back then the Ukrainian SSR), you are one of many workers in the Chernobyl nuclear powerplant, it was a day like any other... Until... BAM, the alarms sounded, the powerplant became unstable, and then, it happened. All exploded into bits, you barely survived the blast, and it will not take long for the radiation to kill you if you stay here. What do you do?