O episkeptis tis omihlis (1991)

A professor of the high school in Ioannina, who many years ago had been forced to flee to Germany because he was unfairly accused of killing a student, returns after many years, determined to restore his name and discover the real culprit. In his homeland everyone is confronted with suspicion, and his presence is of crucial importance to the small society where he lives. But as his research progresses, he discovers that there are many more hidden secrets.