Despite being wanted by the FBI, Briggs continues his pursuit of Jangles.
Briggs is forced to into making a major decision when Mike looks into Juan's disappearance.
Things are not looking good for Paul Briggs: Charlie teams up with a Federale to investigate him and he's the number one suspect in Juan's disappearance.
The residents of Graceland need to stop a war caused by Bello's strike against the Caza cartel. Meanwhile, Briggs' past comes back to haunt him and Charlie meets an unusual ally on her search for Odin.moreless
When the Caza Cartel give Bello a deadly ultimatum, things get sticky for Briggs and Mike is forced to go further than he's comfortable with.
Briggs decides to come clean and Charlie tells her house mates about her bust. Meanwhile, Mike believes he is coming to the end of his investigation.
While Briggs helps to cover up some of Charlie's bad decisions, Mike persuades Bello to steal from a drug cartel.
As Mike manages to further infiltrate Bello's organization, Charlie and Briggs resurrect previous identities.
Tuturro and Jakes are convinced by Paige to go undercover with a marijuana farmer and a Nigerian drug lord recruits Mike to improve his gang's shooting skills.
Charlie finds that her informant is less than reliable during a drug deal and Briggs assists Lauren with her Russian Mafia case.
Mike discovers that life undercover brings with it some moral question, as he and Briggs use one gang to bust another.
Mike Warren, newly commissioned FBI agent, gets his first assignment living with 3 other agents from the FBI, DEA and US Customs.
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
Lockhart-Gardner takes on the U.S. Government for a military contractor who claims that he was tortured by the army in Afghanistan. While Diane and the team go through boxes of documents, mostly blacked out, Alicia must meet with a government monitor whose authority overrides attorney/client privilege. When counsel reveals damning evidence about the client, Alicia is asked by the monitor to reveal the evidence that would lead to his imprisonment… and if she doesn't, she may have to go to prison herself. So Alicia gets an attorney to help her with the questioning. At the State's Attorney's office, Peter decides to go after Will Gardner, who stole money from a client at his old firm in order to take care of his gambling addiction.moreless
After Peter rescues a woman from a house fire, Megan discovers another person in the house who died. Peter takes the discovery personally since he had no idea anyone else was in the house. A veteran arson investigator challenges Megan at each step in her investigation. When Megan complains to Kate the response she gets only intensifies the tension between the two women.moreless
A local coach's induction into a city basketball hall of fame is disrupted by accusations of sexual abuse by one of his former players, and another addition to the squad arrives.