Lisbeth becomes Duncan's boss when she takes over as chairperson of Reveal. Terrence's sister shows up to make trouble, she is also Duncan's ex. James and Katie are still trying to figure out where their relationship is going both personally and at work. Karl and Marla come clean with Wendy about everything. Brody has a new bachelor pad which he doesn't want Janelle to find out about.
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.
Chuck finds a bug in the Buy More, which leads Casey and Sarah to take drastic measures to find out whether the truth about Chuck has been discovered. Whilst facing the possibility that he may have to leave his life forever, Chuck loses something very important- the engagement ring for Ellie entrusted to him by Captain Awesome.
J.D.'s teenage burn patient gives him a hard decision to make when he wants to go to his high school graduation.
Turk doesn't want Carla to find out that he secretly learned Spanish.
To address Dr. Kelso's weight gain, Dr. Cox makes a game out of stealing his breakfast.
Betty is assigned to interview a novelist. Amanda and Marc may have uncovered who Amanda's biological father is. Daniel unknowingly dates Wilhelmina's sister.
