Agamemnon, King of Argos, returns to Greece a victor in the Trojan War. He has brought with him the seer Cassandra as his war-prize and concubine. Awaiting him is his vengeful wife Clytemnestra, who is angry at Agamemnon's sacrifice of their daughter Iphigeneia to the gods, jealous of Cassandra, and guilty of taking a lover herself. The events that unfold catch everyone in a bloody net, including their absent son Orestes.

Aeschylus (525/4-456/5 B.C.E.) was the first of the three great tragic dramatists of ancient Greece, a forerunner of Sophocles and Euripides. His early tragedies were...