She is called Dona Juanita: the attractive young architect Anita Nachtigall, who manages a department on a large construction site with great success. She is said to have had many affairs and, so it is said, the death of a certain Sawallish. The evil afterspeech puts Anita so that she announces her place. But a young safety inspector on the job site doesn't want her to leave. He cares what really happened...