Therefore, he sends a message to his wife, Clytemnestra, telling her to bring Iphigeneia to Aulis on the pretense that the girl is to be married to the Greek warrior Achilles before he sets off to war.
Iphigeneia is thrilled at the prospect of marrying one of the great heroes of the Greek army, but she, her mother, and the groom-to-be in the supposed marriage soon discover the truth.
Achilles is furious at having been used as a prop in Agamemnon's plan to lure his family to Aulis, and he vows to protect Iphigeneia - as much to save the innocent girl as to take revenge on her father for besmirching his own honor.