Åsa-Nisse has a bad back and when he visits the doctor he gets an experimental medicine for horses by mistake. Suddenly Åsa-Nisse has super strengths and becomes an unbeatable athlete.
Ursula is the only daughter of a rich landowner high in Sweden. At 20 her father dies and she becomes reluctant heiress to huge property. Ursula is emotionally torn between a young handsome forester and farmer.