Max is serving as a courier on board an airplane when he is forced to release his package from the plane, sending it to land on the roof of Hester Van Hooten's mansion. The only problem is Van Hooten hasn't allowed visitors to her house in 20 years and she and her brother aren't about to start now. CONTROL arranges for a storm to get them into the house, but only 99's resemblance to Hester's dead sister gets them inside.
The drawing room interrogation of the Van Hooten's is very similar to a routine from Don Adams' stand-up days.
This show features Max's classic exchange with a dinner guest: