Guilt is associated with this incident His hatred arises from the actions of Agamemnon's father Atreus Atreus had killed Aegisthus' brothers and served them as a meal to their father Aegisthus views the chance to murder Agamemnon as an opportunity to avenge his family and reclaim power The Deadly Alliance Clytemnestra and Aegisthus form a dangerous alliance They carefully plan Agamemnon's murder each with their own motives Clytemnestra pretends to be a loyal and loving wife However she secretly maintains a plan to kill her husband upon his return Aegisthus stays in the background and waits for the right moment to seize control He says Now by his treasure's aid My purpose holds to rule the citizens This reveals how their relationship is intertwined with their political ambitions The Outcome After Agamemnon's death Aegisthus claims victory and power The Chorus criticizes Aegisthus for letting Clytemnestra carry out the murder and sees him as cowardly Their relationship based on revenge and ambition ultimately destroys them both In short Clytemnestra and Aegisthus' illicit relationship is a dark bond rooted in revenge and hatred It symbolizes the moral decay in the House of Atreus and sets off a chain of tragic events It leads to further bloodshed and destruction