Lise and Clovis have to face a new and totally baffling threat when several people are suddenly struck down by a mysterious and mortal curse. A virus seems to be spreading in the city of Annecy. It's a race against the clock to find out where the virus came from and keep it from becoming an epidemic. Was it an accident? A crime? An act of terrorism? Does the virus have a link to the mysterious disappearance of a little girl and her father? Every minute counts as the number of victims continues to rise. Forcing separations, destroying plans and breaking up families, this state of emergency will reveal the true nature of everyone involved - and change their lives forever.