With Caroline on business in Manchester Laura steals her invite to a society function,passing herself off as her daughter and Charlie as the owner of an airline,which leads to lots of awkward questions which neither can answer. When the real Caroline arrives she has to use subterfuge to get admitted but is treated to uncharacteristic praise from Laura,complimenting her on the esteem with which her peers hold her. As a result of the confusion all three are about to be evicted but fortunately Charlie's old friend Henry Cooper comes to the rescue. (thetvdb.com)