The fat Nicole, who was kidnapped by her half-sister Jennifer to her father's castle, is accompanied by her godmother Karin and learns all the services that need to be performed. She wants to become perfect for her mistress and makes every effort to learn the required services. However, at first, she overshoots the mark a bit. Her father, whom she rebuked at the funeral of her predecessor, naturally
demands an appropriate punishment from Nicole, but does not expect to be shown up by both daughters at once. Meanwhile, Nicole truly comes into her role as a slave and is prepared by Jennifer to be able to take on the job assigned to her. It remains only to prove to the father that both are equal to their tasks. Nicole and Jennifer are demanded everything to prove to their father and the other owners that they are ready to lead this castle as well. Will the two halfsisters master the tasks ahead of them?