A Czech medical television series that focuses on an emergency department. Each episode follows cases inspired by real-life stories and the cases of patients and healthcare professionals.

Joan of Arc is born in 1412 in the village of Domrémy in the war zone of Northern France. During her youth she often witnesses the horrors of war, but her spirit is kept high by the legend of the Maiden of Lorraine. This says that a young maiden one day will unite the divided country and lead the people to freedom.