But the questions go unasked and unanswered, because a messenger arrives onstage to say that they have brought Iphigenia and Clytemnestra to the camp, as well as Agamemnon’s infant son Orestes. Agamemnon is horrified: having summoned his daughter to a phony marriage, he had somehow not realized that her mother might accompany her so swiftly and bring the baby along for the ride. It is immediately clear to Agamemnon that he will now have no choice but to kill his daughter.