Kan du vissla Johanna

Young Berra has a friend Ulf Ulf has a grandfather which he likes very much he gives Ulf presents and takes him on fishing trips Berra doesnt have a grandfather but he wants one thats nice to him and who can teach him to whistle Ulf knows where to find a grandfather at a home for senior citizens They go searching together and Berra finds a great pretend grandfather Nils