Honza Vavřinec works in the investment department of a large office. One day he gets involved in the case of an unjustly convicted worker who mistakenly considers him a parliamentary deputy. Honza as a "deputy" interferes in the case and helps the worker. Encouraged by the success and possibly also out of love for the beautiful secretary Svatava, the then shy and fearful Honza stands up for the chief of the department, Hofmánek, who has been removed from his position. The cause for the chief's dismissal was an accident during the construction of a hall in the town of Brod. Everybody knows that Hofmánek made every effort to prevent the accident but his suggestions were shuffled from one department to another in vain. Honza proves that many people in various positions are responsible for the situation. To his own surprise, he himself is appointed the chief of department. Honza tries to work in a different way and kicks out his former colleagues, who are indifferent to their work. His effort, however, is unsuccessful - the new ones are the same and Honza can only work with them.

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