Stabler finds himself drawn into a case where a young mother has committed suicide after her baby goes missing. The case leads to questions for Benson about her own family history.
To raise money for new toys, Henry decides to sell his parents' belongings to his friends, and sells Peter to Margaret as a 'slave'.
An investigation into the murder of the wife of a televangelist leads to the discovery of a seedy relationship he had with a hustler that may have contributed to the crime. Meanwhile, Goren runs into his brother while visiting his ailing mother.
Explosions across the estate spark fears that Chatsworth is a terrorist target. But it has the Maguire's worried that they're under threat from folk a little closer to home when Patrick finds the family semtex missing. Meanwhile when Frank reveals to Monica she was never his first choice over Sheila, Monica vents her anger by turning to Norma for gifts and goodies.
Lucy has trouble sleeping. Willa teams up with Don to uncover a secret celebrity wedding. Julia deals with rehab while Holt deals with his career.
On an assignment to return a career safe breaker from prison for further questioning, Tyler, Ray and Chris are attacked by robbers and the man who they were taken in for questioning is broken out. Is a local gangster to blame, or is there more going on than meets the eye... specifically, was the crime actually arranged by Gene's old mentor? Meanwhile, Sam tries to break in the first black detective in the department, a man who will later become Sam's mentor when he first joins the police force.
The Man with the Yellow Hat has a hobby playing the tuba in Rescue Squad 86's firehouse band. George becomes excited at the thought of a band, but the Man will not let George play his tuba. George then decides to make his own instruments and that his animal friends will be the ones playing them. The only problem is that his animal friends seem to get distracted too easily and, after causing a loud racket on the roof of the apartment building where they are practicing, someone calls the fire department.
Action continues on High Stakes Poker as Sammy Farha, Brian Townsend, Todd Brunson, Paul Wasicka, Barry Greenstein, Jennifer Harman, Erick Lindgren, and Eli Elezra continue to battle in this $300/$600 No-Limit Hold'em cash game.
George's curiosity about bones leads him to climb the dinosaur skeleton at the museum but he ends up falling off and breaking his leg. George must wear a cast for a few weeks and stay home. Hundley stays with him as his monkey sitter. George begins in a wheelchair and does not know how to use it, but Hundley teaches him how to navigate around the furniture in his apartment. Soon, George can walk on crutches and Hundley helps him out in the same way. Later, once George can walk on his cast, he goes to places like the park with Hundley.
The CSIs investigate when the parents of a baby sitter in an upscale neighborhood are murdered. As the team sorts through the neighbors' secrets and lies, they find an unexpected love triangle as a motive for murder. Meanwhile, a key piece of evidence found at the crime scene leads Horatio to expose a doctor with some dirty secrets of his own.
William and Monica's wedding bliss comes to a screeching halt when, while drunk, he expresses doubts about marrying her.
While Jack looks for Gredenko and tries to save Josh, White House intrigue deepens.
When Ms. Morello is off of school for the day, Chris and Greg cut school to go see Ghostbusters. Drew and Tonya aren't happy that Rochelle is going to help out at their school. Julius renews his license at DMV.
Peter learns that he and Claude may have been betrayed. Matt's reunited with the radioactive Ted Sprague and Hana Gitelman a woman with "wireless" mental abilities. Hiro makes a tough choice about his mission. Claire can no longer hold back her anger towards HRG.
Lily gets asked to play in an off-off-off-off-broadway play, and the gang shows up to support her. Ted and Robin get hung up on what each kept from their past relationships. Barney performs his own play to prove a point to Lily.
Michael and Sara request Henry Pope's help to retrieve the information that will topple The Company.Mahone pins down an escapee. Sucre discovers a new threat while hitchhiking to reunite with Maricruz. T-Bag brings the Hollander family to his home.
Charlie's young, hot girlfriend takes him to a new club. She invites Alan to meet one of her friends but the men are shocked to learn that they are considered as being "old".
Eddie and Lund protect a 13 year old gang member from a rival gang, and Eddie reunites with the foster family who took care of him after his mother died.
Brian McAfee is a newly-divorced father of four children living a lonely, isolated life in Alaska. Brokenhearted and bewildered, Brian has shut himself off from the world and even his own children in many ways. He doesn't know any of his neighbors or his kids' teachers. He's uncomfortable doing girly things with his daughters, which has left a big gap in their relationship with him, especially for the oldest, Ellie (9). Brian's also baffled by his son's troubles with schoolwork, their house is a disaster, and all four kids have serious behavior problems because there's no discipline at home.