1787, France. While investigating a series of mysterious murders, Joseph Guillotin - the future inventor of the world famous ‘Guillotine’ - uncovers an unknown virus: the Blue Blood. The disease quickly spreads amongst the French aristocracy, driving them to murder ordinary people and soon leads to a rebellion.

Stéphane, Cathy and Thierry are the best employees of the Employment Agency of their city. But their results are so good that the agency will have to close because of a lack of unemployed. The three colleagues then have the crazy idea of creating unemployment to save their job.