At the dawn of the 22nd century, a nuclear catastrophe has upset the order of the universe. Hans and Orchidee belong to a group of survivors entrenched in a fortress continually attacked by enemies from both inside and out. The strength of their love and their fervent desire of freedom threatens the established dictatorial order of their home town. Thus the authorities send them on the most perilous missions, with the hope that, one day, they won’t come back…