Grandads Robbers

GrandadsRobbers Russian , translit.Starikirazboyniki is a 1971 Soviet comedydrama by Eldar Ryazanov, filmed on Mosfilm.

The next plan is to rob the Myachikovs neighbour, collector Anna Pavlovna and then to return the money, but do not catch the thief. When Myachikov gets the bag with cash, he meets the real robber. He takes all the money, and next morning the honest detective is obliged to invest his own money to solve the crime.

Source: Wikipedia