A teenager (Astro) whose brother was recently murdered is identified as the latest person of interest; Finch fears that his ex-partner's son is getting close to discovering the machine.
The winner is announced in the competition between Alicia and Cary.
Buffy's mother gets trapped inside Sunnydale High School when a vampire named Spike arrives in town and launches an attack against the Slayer.
The Lone Gunmen encounter Susanne Modeski while infiltrating a defense contractor's conference in Las Vegas.
After a storm destroys a naval base in Bahrain, Elizabeth advises President Dalton to reconsider his approach to climate change as well as his foreign policy; Jose Campos attempts to get Henry back into the DIA.