Seeing the fashion for television satellite dishes, Arthur employs Logie Lawson, a self-trained electronics ‘expert’ to install ex-East German army dishes – but the instructions are all in German and they mess up their first job. They get an order to install one on the house of ‘Fingers’ Rossetti, who has a very bad reputation and a very short temper. The installation goes badly wrong and both Arthur and Logie, who has a fear of heights, are stranded on the roof.