Alfred J. Kwak was born as the son of Johan Sebastian and Anna Kwak. Some time after his birth, Alfred loses his parents and his brothers and sisters who died when a car hits them. Henk the mole, a good friend of the Kwak family, raises the little yellow duck. Alfred experiences a lot of adventures.
Henk, a mole, lives in a verdant grassland of Holland in company of his friend Johan Kwak, bachelor duck having a sabot as a house. He presents Johan to Anna, a charming duck lady.