Episode Description: Beware, spoilers! To read - hover over the text.
On a visit to the family of Tanners comes colleague Willie named Jim sits with them until late in the evening, not realizing the open hints of the owners on the later visit. After some time the man says his name is Steve and he is involved in the witness protection program. Alf believes that their guest are looking for gangsters, and goes out at night on duty to protect the house.