A mysterious and mortally contagious virus threatens the population of Annecy, in southeastern France. A desperate race against the clock envelops to find out where the virus came from and keep it from becoming an epidemic.

• Juliette Plumecocq-Mech
• Lannick Gautry
• Sylvie Testud
• Clotilde Courau
• Julie de Bona
• Lola Dewaere
• Cécile Rebboah
• Anne Charrier