Sophocles' Electra is a Greek tragedy that centers on Electra's quest for vengeance against her mother, Clytemnestra, who murdered Electra's father, Agamemnon. The play delves into themes of justice, revenge, and familial duty, showcasing Electra's unwavering determination and emotional turmoil. As she reunites with her brother Orestes, the siblings plot to avenge their father's death, leading to a dramatic and poignant climax that explores the complexities of moral responsibility.