Finally, our Heidi has arrived at Munich, to take her position as a housemaid at the family Sennemann. But within her heart she still is with her beloved Bavarian mountains, her grandpa and the "goat-Willy".

But in the cosmopolitan city...

Karl, Vera's boyfriend, sends our beloved Heidi to walk the streets. And it seems as if Heidi has a lot of fun with that. However, very soon her grandfather and the "goat-Willy" are on their way to Munich to save Heidi from the sink of iniquity....