Ouinn tells everybody stiles is missing now everyone puts their holiday plans on hold to find him.

Just how far will the CIA go to get what it wants? Gage and the team must try and stop an election in Indonesia which puts a terrorist supporter in the run for Pesident. James Graydon a former U.S. President wants to see the election go through nicely.

The CIA tries to stop nuclear war between to countries.

On his first day as the new Director of the CIA, former Senator Tom Gage is immediately confronted with a high-profile crisis when the Agency is linked to the death of a young Vietnamese man in Washington D.C. As Tom works with Jackson and Carl to learn how the CIA was involved, he discovers that when Robert was acting as the director of the CIA, his secret negotiations with a Middle Eastern prince were directly responsible for the Vietnamese man's murder. Tom must find a way to hide the Agency's involvement without implicating an innocent man for the crime. Meanwhile, Terri runs into a photographer whom she realizes is linked to a radical pro-life group that has bombed abortion clinics.

A blown operation leads to a Senate inquiry into possible wrongdoings at the CIA. The CIA tries to turn a Columbian druglord and terroist into an informant, but the operation goes awry when a DEA officer tips off the police as to the operation causing the deaths of seven people.

When a CIA plane crashes in China, the operatives must hide the evidence before it is discovered.

David Cassidy (Everett Price) who lost his wife on 9/11 hurts the relationship between the U.S. & Saudi Arabia, Now Gage must try and stop anymore missile attacks.

After the young son of a British Intelligence officer is kidnapped and the man fails to report him missing, the CIA and British Intelligence's investigation takes an unusual turn. They learn that the man didn't report his child missing because the kidnappers are Iraqis and he has arranged to trade plans for an Allied invasion of Iraq in exchange for his son's return. Matt and Carl join the investigators in London to ensure that the officer's plan is derailed without losing the boy in the process. Meanwhile, Robert Quinn, who is temporarily replacing Director Pierce, starts implementing changes. Daniel Benzali (""Murder One"") guest stars.

Terri is thought to be alive after Stiles & Agent Shelton discover her car and watch. Terri is kidnapped to find who Terri told about the double life of Joshua and how Terri found out. Terri still won't let her captors know who she told she then has a bomb hooked to her. Meanwhile Terri learns that Joshua was told to kidnap her and that she should trust him. Haisely then tells Quinn that Joshua may have taken Terri, Quinn finds the information hard to believe and wonders why Mr. Holland didn't say anything. Quinn tells Haisley that 12 years ago (when Quinn was director) He had Joshua feed information to Germany. Gage asks Holland to feed German information to the CIA while still trying to free Terri.

Terri Lowell is about to get a big shock the man she dated in college could be a double agent because his company could be shipping weapons to North Korea (behind his back) his wife is actually doing it. Quinn learns his sister is dying. He has to find her in the car at sunset. Terri and stiles continue try to find the guidance system. Terri learns Brain wants to leave his wife. Caroline quickly finds out and tries to protect him. Quinn finds that his sister killed herself and kisses her goodbye. Terri goes to meet him and finds him dead and his wife may have killed him. Terri is questioned about wether she got bad information.

Stiles tries to stop a drug dealer from helping terrorists, Can Stiles get the drug dealer to help capture the terrorists?

Terri,Stiles & Lex must go to Spain to find out why military wives were killed, While Lex, Stiles, & Terri try to stay out of danger.

Stiles heads to west Africa to help former CIA informants and runs into someone he loved.

After unearthing a secret plot by Castro's own men to assassinate him, the agents rush to thwart the plan in order to prevent the U.S. from being framed for his murder.

In an effort to learn the truth about his brother's mysterious death, Matt begins piecing together clues and finally forces his superiors to tell him the truth. As Matt begins to gather information about his brother Eric's final mission abroad, he poses painful questions about the mysterious death to his parents and finally forces Jackson, Carl and Director Pierce to explain the circumstances so he can get Eric's body back for a proper burial. Meanwhile, Jackson, Terri and Joshua are working to entrap an Indian Intelligence Bureau double-agent working for his own country against the CIA to acquire a submarine capable of launching nuclear weapons.

Tom and Carl learn that a story about a war crime Tom allegedly committed during his service in Vietnam is about to be revealed in the press and that the source of the story has been found dead. Meanwhile, Matt and Jackson receive word that a visiting Eastern European dictator is near death and they enlist a hooker to help determine how ill he really is. At the same time, Joshua must deal with a museum curator when he accidentally destroys a cow costume that's part of an upcoming exhibit.

CIA tries to uncover if someone has sneaked a Russian atomic bomb into the US.

When the CIA misidentifies a missionary plane in Colombian drug-trafficking airspace and the Colombians shoot it down, Director Pierce must try to clean up the mess, while the former CIA director tempts Carl to betray Pierce. Meanwhile, Matt and Lisa must contend with a dead body when a foreign agent dies while attempting to sell the CIA classified information.

Terri, Stiles and Lex oversee the formation of a new Afghan Ministry of Intelligence in Kabul, Afghanistan, where Terri and Stiles' lives are threatened. Meanwhile, Gage deals with a new Afghan Intelligence Minister with a shaky past

The local governor plans a political coup after some American miners are taken hostage in Indonesia.

A ambitious journalist plans to run a career-making story about one of the Agency's great Cold War successes, which will expose and therefore cost the life of a now retired Russian general who risked his life to help Director Pierce and the CIA. The journalist refuses to kill the story, and Director Pierce and his team must do everything they can to protect the Russian, even if it means putting another life in jeopardy. Meanwhile, Terri's estranged husband begins divorce proceedings, and Matt pushes Jackson for answers about his brother's mysterious death.

Lex learns that a possible bomb attack may occur in Australia, Gage doesn't want to act because terrorists may another attcak on the U.S.

Gage tells Matt to blow up a chemical weapons plant in sudan,even though 100 people work inside.

The CIA conducts an internal investigation when it suspects Jackson of leaking sensitive information. In order to test Jackson's loyalty to the CIA, Matt and Carl secretly recruit the Persian cellist with whom he is romantically involved to gain information about a terrorist threat at the Yemeni embassy. Meanwhile, Terri must forge a 50-year-old document implicating the CIA in illegal activity involving the Dalai Lama that would prove calamitous for present-day Tibet should it fall into Chinese possession.

When the National Security Agency (NSA) learns of a plot to assassinate the King of Saudi Arabia, Matt and Lisa help track down those involved only to discover that there is a larger terrorist plot in the works. Soon after Matt and Lisa catch the would-be assassins, Israeli intelligence informs the CIA that one of the incarcerated terrorists is their own agent on an undercover mission and requests his safe return. Once Matt arranges this, the Agency discovers that Israeli intelligence has deceived them and the man they released is a link to a terrorist they had been pursuing for years.

After a CIA agent is murdered, the agency joins with the police department of Washington, D.C. to investigate his murder.