Sydney and Vaughn are sent to retrieve the Doleac Agenda to gain an advantage over The Covenant. For this, Sydney and Weiss must convince rogue security systems designer Toni Cummings to help the CIA break into a Lethal Response System. Meanwhile, Sark approaches an unlikely ally, that of Lauren Reed, to kill the Covenant's six cell leaders in order to take control of Covenant for themselves at the behest of the a senior leader, the rouge agent McKennis Cole.