Police cadet Fred Leprince is found dead inside the police academy. His sister Émilie, also a cadet there, doesn't believe the suicide theory.

King Henri IV of France was living out his final hours before being assassinated on 14 May 1610 in the streets of Paris. But who was this king, described as a "womaniser", and who wanted to take his life?

Everything goes awry between Suzy and Henri who run a hairdressing salon together. Fed up with a routine that has been lasting for ages, Suzy wants a drastic change, which is not to her husband's liking, all the more as she tells him she intends to divorce. Under these circumstances, they decide to separate both the salon and their apartment into two parts. It does not take long before all the villagers take sides, either with Suzy or with Henri.