Frank discovers the real reason he has been taken captive.
In the Season 1 finale, Frank is offered a life-changing opportunity; at the same time, the U.S. Army put Charlie on the hot seat.
Akley becomes vulnerable when he tries to fix Thin Man's shortcomings.
A development overseas invigorates the hunt for a spy on the Hill.
An unexpected visitor arrives on the Hill.
Frank and Charlie hatch a plan.
Both Charlie and Frank face serious questions as to the future of their projects.
Helen and Charlie deal with a crisis; Abby embarks on a journey of self-discovery.
Frank clashes with Charlie to protect Babbit, who has become the subject of an investigation.
The arrival of a high-profile guest shakes things up; Frank is haunted by his past.
The loss of one of their own leaves the community reeling; and new security measures interfere with the work being performed by the scientists.
Frank attempts to save his team, and pays the price; at the same time, the wives get creative trying to make life on the Hill more interesting.