Greek film, produced in 1964.

An assassin comes from America to kill the industrialist Petros Pelekis, putting an end to a long and bloody vendetta.

Upon hearing the news, the potential victim becomes terrified and creates unlikely situations as he suspects everyone, even his own wife.

However, the assassin is beyond suspicion, as he happens to be his own secretary, who soon realizes that her boss had nothing to do with the vendetta...