The Aphrodite Inheritance 1979 S01E02 (Requested)

Episode: A Lamb to Slaughter. David is left reeling after Helene tells him that his brother Barry was murdered and gives him a suitcase with £50,000 Swiss francs inside that he asked her to safeguard the night before he died. But before he can contact the police he is intercepted in his car and knocked out, with the money stolen by barman Charalambos. When he does tell the Inspector Dimos, they go to the bar Charalambos works at, only to be informed that no barman of that name works there.