A city had been quarantined due to a contagious and incurable disease. Daniel and Alice, a couple within the City, try to continue life in the City. When Alice reveals that she is pregnant, she gives Daniel the choice of whether or not to be involved with the child. The city is crumbling into chaos and decay. Harrison threatens Daniel's life, but Daniel does not know why. Daniel and Alice feel alienated and alone within the walls of their own home. Alice tries to encourage Daniel to restart his career as an architect. Daniel makes plans to escape from the city. When he realises that Alice is infected by the plague, he is forced to make a final decision. To stay with Alice and his child and die within the city walls, or to escape and start a new life away from the festering illness of the city.