Historical drama centred around the legendary Breton heroine Marion du Faouët who was born Marie-Louise Tromel in 1735 in the little village of Faouët in Brittany. She became the leader of a group of highway robbers.
Julien is eleven years old and loves music. However, his father wants his son to eventually take over the family printing business. Julien's life changes the moment he discovers a forgotten piano in an old inn.