Mařenka, daughter of the mayor Bárta, returns to her native village having taken a course in house-keeping. There she meets an acquaintance, the young farmer Šebek. Šebek loves Mařenka and asks for her hand in marriage. Mařenka's father does not agree to the marriage on account of the fact that Šebek does not know how to run a farm properly. Encouraged by his teacher, Šebek attends a lecture on the importance of artificial fertilizer. He then buys fertilizer, spreads it over his soil and is rewarded later with a very good crop. Mayor Bárta finds out about the success of young Šebek and finally allows him to marry his daughter.

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