 When Jeanne s hairdresser raises his prices, and her friend Mimi tells her about an expensive  must-have  beautician, she decides to take Odilon s accidental advice: balance her budget by raising the rent. The students, who were already malcontent about worn-out furniture, are furious - after a war by attempted starvation, cutting of amenities, barricade... they find another approach: accept the rent rise but scam it out of her again...