When Ellen is about to start the president operation, she must make a difficult choice...
Sandrine's double game is revealed which offers to Duncan a way to turn the situation to his advantage
Ellen decides to not kill the president but to help Duncan to get his bone marrow in exchange of her family safety.
But Nina learns about Duncan's plan...
When Brian succeeds to go to the police to reveal the complot, Burton shows up and exposes the kiss between Ellen and Duncan.
When Duncan and his team must travel to New York to prevent another unit to eliminate the President before them, all the Sanders must stay locked...
One member of the President's staff si murdered which increase the risk of theDuncan's assassination plan.
Ellen searches in Nina's medical records to find a cure: a donor...
As investigators close in into the conspiracy to kill the president, Duncan is given a difficult task. Also, Ellen recieves something from Duncan.
Alice takes advantage of Duncan's situation and confronts his wife. Creasy has an important meeting.
Ellen and Brian work on a new plan to try to escape from their current situation. The Assistant District Attorney gets important information from Archer's accomplice.
Ellen receives an unexpected visit but Duncan wants her gone as soon as possible.
Emily puts her skills to work when there is an emergency in the house. An innocent becomes a victim and Duncan wants answers.
Ellen and Brian work on a plan to escape with their kids. Meanwhile, Duncan's mom makes a difficult decision.
When the President decides to use another doctor for his surgery, Ellen is threatened by Duncan to make him change his mind. Also, Ellen meets Duncan's daughter which could help her get more insight into him.moreless
After ellen's disobedience, Duncan threats to kill one of her loved ones. He also tells the family to go back to living their normal lives for two weeks, but warns them that his team will be following all the time.moreless
Dr. Ellen Sanders and her family are taken hostage by a rogue FBI agent who threats to killl them if she doesn't kill the President in an upcoming surgery she will be performing on him.moreless
It's Blair's bachelorette party, but others scheme behind her back to ruin the night. After discovering the truth behind Chuck and Blair's car accident, Nate and a surprising ally, gather the evidence. Meanwhile Serena and Dan pretend to be together again to protect someone close to them.moreless
While Lily throws a coming out to society party for Charlie, Serena and Dan try to amend their friendship. It is now time for Blair to choose between Louis and Chuck, she receives help from Dan who has an agenda of his own. Max still tries to leak Charlie's story and at the end of the night she slips Gossip Girl information that could turn deadly.moreless
Lily, Charlie and Serena anticipate a party thrown in CeCe's honor. Nate takes on a new role at the Spectator, and his first big job is of someone he knows very well. Meanwhile, Blair turns to an unlikely source for help.moreless
As the summer ends, Blair and Chuck are madly in love and adjusting to their new "in a relationship" status, breaking all traditional rules of dating as would be expected. Serena returns from her European adventure with many secrets to hide and a complicated relationship with Carter Baizen. Nate returns from his travels with a mysterious brunette, Bree Buckley. Rufus, Dan and Jenny spent the summer in the Hamptons, adjusting to the Van Der Woodsen's glamorous lifestyle much faster than any of them expected.moreless