Alexandre learns that his father, whom he didn't know very well, has left him a pig farm on a small farm in the Dauphiné region. This is a fortunate turn of events for him: by selling it, Alexandre can pay off his debts. But to claim this inheritance, Alexandre must win the ultimate prize at an agricultural competition with a pig named "Big Jim." Luck continues to smile on the new owner because, after a few setbacks, Alexandre finally manages to get the animal's value recognized.