Mehdi and his men search for the missing drugs. Chris sends the Djeblis a warning. Impressed by Mehdi’s skills, Saber blackmails him into taking a job.

As they gear up for a risky heist, Mehdi and Liana’s gangs join forces. Hassan confronts Saber. Coralie reveals a terrible family secret to Sofia.

A furious Chris prepares to wage war on the Djeblis — and everyone else involved in the heist. Hassan sends Danique to cover Saber’s tracks.

Frank and Charlie hatch a plan.

An unexpected visitor arrives on the Hill.

A development overseas re-invigorates the hunt for a spy on The Hill. Charlie and Abby make a sacrifice when the plan with Frank is threatened.

Frank clashes with Charlie to protect Babbit, who has become the subject of an investigation.

Helen and Charlie deal with a crisis; Abby embarks on a journey of self-discovery.

The loss of one of their own leaves the community reeling; and new security measures interfere with the work being performed by the scientists.

A drama about the clandestine race to build the world’s first atomic bomb in Los Alamos, N.M., centers on a self-destructive professor who is commissioned to help lead the Manhattan…

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.

Phil and Claire are hurt when Alex lies about her college move-in date and Luke doesn’t want to spend the day at Phil’s open house; being landlords stresses out Mitch…

Callie and Arizona examine their marital problems and what’s contributed to them. Meanwhile, Callie devotes herself to the veterans’ project, Arizona strives to impress Dr. Herman, and Richard seeks guidance…