As Eva Thorne prepares to seal off the subterranean military complex, Zoe's life is endangered as her body begins to rapidly age.

It is time for physical exams for the Sheriff's department and an upgrade for the town's security system, both Eureka-styled by Global Dynamics. Acting Sheriff Lupo seems almost loopy after the 48 hour extreme exam, and she volunteers to a DNA scan for the new security system, but then a malfunction occurs.