Because her unconventional manner always causes offense, the always good-humoured Sister Anna is ordered to only deal with the financial affairs of her Protestant deaconry in future. Her first assignment takes her to a village near Munich to sell an inn that has been bequeathed to the deaconry. However, the "Weißblauer Engel" is actually a brothel. When Anna learns that the entire village is to be turned into an amusement park, she s forces with the cheerful ladies of the "Weißlauer Engel" to fight the building tycoon.