McNulty discovers that a captured Navy Seal could be alive and he and JT are set to save the man. However, they soon face resistance from the Pentagon and might have to do what is known as a "backdoor" mission to save the soldier. Also, more about McNulty's mysterious past is revealed during this endeavor.

Elle, along with many others, is held hostage on a train in Texas by a paranoid schizophrenic who is convinced that the U.S. government is monitoring him. Hotchner and Gideon are forced to play into the man's fantasy to save the people he has taken hostage.

A family is being tormented by someone as pictures of their son who dies in the buss crash start showing up, and phone calls with his voice on the other end are answered by his parents, and miniatures toys of school busses start showing up all over the house. Because they are sueing the school for the death of their son they fear that these visous actions are an attempt by the school to scare them from following through on the suit. Meanwhile Veronica gets herself in a very dangerous situation when she agrees to help Logan asks fight the murder charge against him. Later, Weevil's leadership of the P.C.H. Bike Club Boyz is put into question.

Challenged by J. Alexander to pose like statues in a park, the models find the task to be a little too realistic as they're swarmed by pigeons, and after one competitor suspects another of stealing, she retaliates leading to a series of escalating confrontations. Photographer Barry Lategan serves as guest judge. At the photo shoot, the models pose as modern interpretations of classic art for legendary photographer Barry Lategan, who took the first photo of Twiggy in 1966.

Mac, Danny and Lindsay investigate the death of the owner of a doll hospital. Stella and Hawkes look into the death of a woman with terminal cancer.

After Russell becomes a prime suspect in a double murder, Larkin learns that her husband has a past criminal record - which leads her to question his integrity and investigate the circumstances surrounding it. Meanwhile, Dave contacts Mariel in an attempt to find out what happened to her the night of the hurricane, and Mariel pleads with Tom to dredge the bay to discover the true identity of the body she claims to have seen.

The deaths of three women with the same name lead Fontana and Green to the nine-year-old conviction of Leland Barnes, who had shot and killed his wife in an office full of people. With two of the three witnesses against him dead and Jack McCoy on the hit list, the detectives struggle to determine how Barnes, who has been in prison the entire time, got someone on the outside to kill the only people who could keep him in jail. The investigation leads them to Leland's two sons, with surprising results.

Violence erupts when Ana Lucia and her group stumble upon Sayid and the other castaways on the island. Ana Lucia holds Sayid captive. Kate and Jack care for Sawyer when Mr. Eko brings him back to the camp himself. Flashbacks reveal Ana Lucia's troubled life as a cop.

Al discovers that Bert may not be his father and goes in search of the truth. An odd family with a lack of hygiene and a passion for taxidermy contract salmonella poisoning, but Martin has difficulty convincing them to accept treatment. PC Mylow's bossy sister arrives in Portwenn and sets up a herbalist business in his flat. However, when her remedies increase his patients' many ailments the doctor is forced to take action.