Orestes plotted with his sister to kill his mother, clytemnestra, and aegisthus. he managed to do so, and the furies tormented him for his crime. the oracle of delphi advised him to exile himself for a year and then come to the temple of athena. after a year, athena convinced some of the furies to stop their torment. the oracle then advised orestes that, to get rid of the other furies, he had to retrieve an image of the goddess from the taurians. he managed to so after meeting his sister in tauria