Crooked Deeds (1969)

Original title: Ζαβολιές

Dimitris, a poor painter who feels deeply disappointed in his life, leaves his wife and begins to wander aimlessly. The woman who raised him after the death of his parents, Mrs. Marigo, must now undergo a difficult operation and Dimitris is forced to submit to the whims of the rich Rita, in order to help his sick nanny. Another failed painter, Alexis, who lives as a gigolo, is also Rita's lover, but Dimitris is unaware of this. Will the silent anti-jealousy end in a stabbing? (greek-movies.com)