Medical student Alyson discovers her new workplace, a public outlying hospital, with the other two interns assigned to the department, Hugo and Chloé. All patients are confined to their homes following sanitary measures: a risk of contagion has been established after the death of a patient with meningococcus. In their absence, the interns must manage the department and the patients alone. Alyson is not confident, unlike Chloé, who has a secret relationship with the doctor in charge of the department....