Peter Horton

Peter gets some help on his investigation from Sofia Tsaldari. Peter enlists the aid of the Trash Man to find evidence, meanwhile Maya's growing relationship with Cameron poses a serious problem. Odelle is reunited with Aslam, with the unlikely help of Luc Girard. Harrison seeks help from a journalist friend of his father's.

Odelle is directed to go to a CIA safe house which proves not be so safe leading Odelle to question if she can trust Col. Glen. Meanwhile, Bob reveals to Harrison information that Randall's last unfinished story is connected to current events. As Harrison follows up with his father's source, he receives a warning. As Peter's investigation hits another snag, when a friend is arrested, he learns Maya's new boyfriend is also not what he seems.

Tension is eased between Odelle and her captor, as Aslam and Frank Majors ramp up efforts to find her. Meanwhile, a senator complicates Peter's SOC investigation; Harrison prepares to deliver the eulogy at his father's funeral; and it's revealed that there's more to Randall's death than meets the eye.

Ballard is captured by the terrorist group Ansar Dine and must prove her value to them. On the home front, Harrison continues to search for physical proof that Ballard is alive and enlists his father's help. Peter finds evidence against Societel that puts his family in danger.

Sgt. Odelle Ballard enlists the aid of native boy, Aslam, and tries to avoid detection from Osela during a pilgrimage through the desert. Meanwhile on the homefront, Peter Decker learns during an internal investigation that Societel, a major United States Corporation, may have been involved in the death of Ballard's team.

While on a mission to find the terrorist leader, Abdul Abbas, her team finds and kills him. Odelle Ballard finds computer files that implicate a major U.S. corporation is secretly funding terrorists. A PMC group called Osela take the information, leaving the task force to return to base. Then the entire task force is taken out by an unknown assailant, except Odelle Ballard.

No one was surprised when the wealthy socialite and drug addict Vivian Bowers was found dead of an overdose, except for FBI agent Will Moreno. He is convinced that the death was a homicide, and that someone in Vivian's family did it. He gets help from Detective Joanna Locasto, who at one point had been Vivian's best friend. When Joanna attends the funeral, the family embraces her, offering her a place to stay. She then begins to undercover secrets about how Vivian died, putting herself in danger.

When evidence surfaces in form of several pictures at a crime scene on the Brooklyn Bridge, the CSIs rush to San Francisco to search for a 16-year-old girl who might be dead already. The case hits home for Jo.

The residents determine their future as they make their final decisions regarding post residency positions; Mark admits to Derek that he is torn between his love for Lexie and the fact that Julia can give him everything he's ever wanted; Ben plans something extra special for Bailey, but she is preoccupied with her work; and Arizona encourages her childhood friend, Nick, to have surgery. Meanwhile a couple on their third honeymoon come to the hospital complaining of mysterious symptoms.

The residents agonize over their oral boards, reliving every answer they gave during their exams; Arizona's close childhood friend comes to Seattle Grace for medical help; the doctors work on a patient who is missing one third of his skull; and Julia asks Mark to start a family with her. Meanwhile Catherine tells Richard that one of his residents has failed.