"Rambaldi." (Vaughn leads Will to the briefing room.) Admitting you are CIA? But a suitcase neutron bomb designed in the sixteenth century -- is that even a theoretical possibility? DIXON: It's not that simple. FRANCIE: Hello? In the TV in your bedroom. MARSHALL: Right. SYDNEY: Is he seeing people, buildings, what? SYDNEY: Kabir has no idea who Sloane is. SYDNEY: Really? Something burning. VAUGHN: Yes, it is! Vaughn is in the lower level of the bank with the C-4 and an explosives expert.) We need to protect this woman, no one can know the CIA's contacted her.
Plan: A: the episode; Q: What is this? A: a reusable neutron bomb; Q: What is the artifact that Rambaldi built? A: the 15th century; Q: In what century were the pieces to build a reusable neutron bomb made? A: Sloane; Q: Who controls the neutron bomb? A: Vaughn; Q: Who begs Dixon to aid the CIA in rescuing Sydney? A: a crucial CIA briefing session; Q: What is Will called upon to participate in? A: Francie; Q: Who does Sydney notice something is not quite right with? Summary: This is the episode in which it is revealed what some of Rambaldi's mysterious artifacts really are: the pieces to build a reusable neutron bomb in the 15th century. Sloane is the one who controls it. Meanwhile, Vaughn begs Dixon to aid the CIA in rescuing Sydney, Will is called upon to participate in a crucial CIA briefing session, and Sydney notices that something with Francie is not quite right.