Martial has been released from a mental institution where he had spent several years due to a severe nervous breakdown. When he returns, he finds his mother, a busy businesswoman who owns a supermarket chain, convinced that if he is given some responsibilities, he will be able to rediscover himself. Soon after, he's dispatched to Limoges on a business trip to inspect one of their stores in the hopes of reviving the failing business. Martial is confronted with responsibilities he never imagined, including dealing with the store's personnel.