PLOT
Grete Hansen is looking for work at "Morgenbladet". Here she meets the womanizer Vilmer, who wants Grete to meet him on her first night out on the town, and Bob, a young man who plays private detective. When Bob reads that there are a number of counterfeit 100 kroner notes in circulation, Bob and Grete decide to catch the thief. First they break into the home of a policeman whom they suspect of being a counterfeiter. Later they play servants at the home of another suspect. Then Grete discovers something suspicious about Vilmer - she follows him to a spooky house.