An explosion blew up an abandoned armory deep underground, "pollutants" spread rapidly, and the city formed a 5-square-mile exclusion zone, almost a dead city. Some people died one after another, and photographer Jennifer Preston (played by Natalia Tena from # Game of Thrones) was acutely aware that these people seemed to have been maimed by some mysterious force. Iwan Rheon plays her boyfriend Jonas, who works in the Ministry of the Interior, and he gradually feels that the government may be hiding the terrible truth.