Electra is a Greek tragedy by Sophocles that tells the story of Electra and Orestes' revenge on their mother, Clytemnestra, who killed their father, Agamemnon, who sacrificed his daughter Iphegenia and returned from the Trojan War with a concubine named Casandra. Orestes pretends to have died in an accident and brings an urn supposedly carrying his ashes to the palace. After Electra mourns his death he reveals his true identity to her and they kill their mother and step-father, Aegisthus.
Mourning Becomes Electra is a tragic play set in New England in the aftermath of the Civil War. It is heavily interwoven with the common fixtures of Greek tragedy. A wealthy general is poisoned by his vicious and scheming wife, then avenged by his children Orin and Lavinia. When Orin kills himself out of grief, Lavinia is left in the shoes of Greek tragedy's Electra and struggles to find meaning in her bleak and solitary life.