The old mansion in Plaka, inherited by three cousins, becomes the stone of the scandal, as each of them thinks to use it differently. Achilleas wants to turn it into a nightclub, where he will present his dance program, while Hippocrates lives in it and rents the basement to the girl he loves, Despina. Things are complicated by the arrival from abroad of the third heiress, Kaiti, who will blow their minds.

Melina Mercouri plays Maya, a jet-setting Greek actress who returns to her homeland to undertake the role of Medea. Searching for inspiration and clues as to how a mother could kill the children she loves, Maya discovers Brenda (Ellen Burstyn), a bible-spouting American woman serving time in an Athens prison for that very crime.

A corpse is found at Anna's home, and she must explain the criminal investigator how she spent the night. And one story leads to another.