Orestes returns to his father's house to exact vengeance upon his mother, Clytemnestra, for the murder of Agamemnon. Driven by the command of Apollo, Orestes must navigate the moral and physical consequences of matricide while contending with the psychological weight of his duty. The narrative unfolds through the rigid structure of Greek tragedy, utilizing choral odes and dialogue to explore the tension between divine mandate and human agency. The play operates within the framework of the Oresteia trilogy, focusing on the cyclical nature of blood vengeance and the restoration of familial order.

Discussion often centers on the structural precision of the play and its pivotal role in the broader Oresteia trilogy. Readers frequently highlight the stark contrast between the characters' internal motivations and the external pressures of divine prophecy. Critics emphasize the play's dense imagery and the sophisticated use of dramatic irony that defines Aeschylus' approach to tragedy. The work remains a primary subject of study for those interested in the evolution of Western dramatic form and the ethical complexities of ancient Greek society.