The Harefoot(1964)

Petros Pelekis is shaken when he receives a letter from America informing him that the feud between his family and the Patakas family continues, and that the last Patakas is coming to Greece to kill him. Petros lives in constant fear that anyone he knows could be his would-be killer. To protect himself, he hires Kostas, his neighbor's wife's lover.