The episode begins with a flashback to the year 2004, where John Casey is involved with a female Russian named Ilsa, who claims she is a photo journalist. Later, in present day, Ilsa returns with a fiancé, named Victor Federov. Things get complicated when it is revealed that Ilsa is a French spy.

CIA agent Daniel Shaw assigns Chuck to his first solo mission in Paris, ignoring Sarah and Casey’s wishes. During the flight to France, Chuck befriends Hannah and flashes on another passenger the imposing Hugo Panzer. Meanwhile, Casey helps Morgan battle Jeff and Lester for control of the Buy More.

Chuck and Sarah are assigned to train under Craig and Laura Turner, a married CIA team who, despite their impeccable record, hate one another. The Turners' stormy relationship forces Chuck and Sarah to wonder if they're doomed with the same fate. Meanwhile, Casey must train the newest member of the team Morgan.

Chuck encourages Vivian to get in touch with her inner villain for a mission. Morgan's search for a new roommate has unexpected results.

While Chuck and Sarah contemplate the next step for Carmichael Industries, Casey’s forbidden love, Gertrude Verbanski, walks back into his life with a questionable mission in South Beach. Meanwhile, Jeff’s enhanced intelligence leads he and Lester to suspect that something unusual may be happening at the Buy More.