During the construction of the subway in London and awakens the dragon fire-breathing monster soon taking over the power in the world. It takes twenty years, the planet lies in ruins. Quinn Abercromby - the leader of a small group of survivors in England. They managed to find refuge in a small castle. They try not to engage in direct confrontation with the dragon, hoping to relive them. But Dragons do not stop their attacks and gradually people are becoming less and less. After a while, an American battle group Van Zan appears in the vicinity, who believes that it is necessary to actively repel dragons and claims to know their weak spots. Van Zan begins to gather volunteers to go to London and kill the oldest male dragon.