Cat on the Fiddle

As David's Italian penpal, Mario, is coming to stay, his wife Kate goes to her mother's so that they can practise their languages in peace. When the penpal turns out to be a shapely brunette named Maria David is in big trouble, not least because Maria has smuggled in a packet of diamonds. The flat is soon besieged with assorted gangsters, a lady plumber, a curate, the police and an angry Kate!5 women, 6 men