In 2029, just as we have learned to live with seasonal variants of Covid, a new variant of the plague bacillus is discovered in this southern city. With no treatment available, the central government decides to seal off the city and implement a mysterious "Plan D" with monstrous consequences in order to spare the rest of the country.

In 2029, just as we have learned to live with seasonal variants of Covid, a new variant of the plague bacillus is discovered in this southern city. With no treatment available, the central government decides to seal off the city and implement a mysterious "Plan D" with monstrous consequences in order to spare the rest of the country.