The foreman saw the message just before she gets on the job and his brother in law told him that his sister and also was the secretary was going to be there for the boys to enjoy
He had talked to his brother in law and was told of a plan for his sister to get naked for a group to see her naked for the boys to enjoy. He was not aware that she was going to be seen by her brother and his sons and the other one of the crew with unannounced and naked surprise
The foreman saw his sister naked for the first time in years and she was showing her nephews and young men in the job site herself for their enjoyment and they were all about to jack off looking at her