A dangerous virus appears in a group of homeless people, causing a risk of outbreak. How long will it take Anne-Marie Leclerc, director of the Emergency Public Health Laboratory, to realize that an actual epidemic is starting to take shape?
Two days before the official announcement that the epidemic is over, the infection of two little girls brings Anne-Marie back to square one. The epidemiological investigation resumes, but the girls are uncooperative. Will Nelli get them to talk and prevent COVA from claiming more victims?
