Louise, a doctor and mother, is suddenly caught up by her past after the discovery of her step-father's body, 18 years after he went missing.

Christel and Christoph have no education, no morals - they are working as servants in wealthy homes in order to clean out their hosts. Having decided to combine their talents and efforts, they are starting to work in the the house of Therions - wealthy bourgeoisie of Mulhouse...