The overly good-natured financial accountant Matthias goes out of his way to help the witch-hurt Peter who has invited him to dinner, but in the process unwittingly triggers one disaster after another. Within two hours, he turns the publisher's life completely upside down. The comedic chaos takes its course: Peter's wife leaves him, he is also rid of his mistress and, to make matters worse, Matthias uncovers the tax evasion that was so well hidden. Blow after blow, the punchlines fall in this witty comedy that had more than eight million viewers in France laughing in tears.
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