A nanny is found dead near a park while Messer is in trouble when he may have shot another police officer.
The shooting of a Panamanian jockey sends Fontana and Falco into the colorful world of horse racing, and they learn that the animal's owner used stolen funds for the purchase.
After a young woman is found raped and murdered near a nightclub with five hundred dollars stuffed into her mouth, Benson and Stabler follow the fingerprint trail on the money to Attorney Jason Whitaker, whose sole responsibility seems to be handling the trust for the Duvall family. Soon detectives are convinced that Gabriel Duvall is their rapist, but don't have quite enough evidence to put him away. ADA Novak is working on both the case and a terrified former victim when she is brutally attacked in her office late at night. The crossover continues on Law & Order: Trial by Jury S01:E11 Day (II).
Determined to get to the truth behind who drugged and assaulted her at a party the year before, Veronica questions her friends and many rivals about the chain of events that night at Shelley Pomroy's house. Meanwhile, when one of Veronica and Wallace's stunts affects her job at Kane Software, Alicia confronts Keith about his daughter's behavior. Later, in an attempt to get closer to his son, Aaron throws a birthday party for Logan that inadvertently surprises everyone.
Rory begins her internship at one of Logan's father's newspapers. Emily and Richard fawn over Rory's boyfriend, but Lorelai is not as impressed.
House and his team race to diagnose a 12-year-old's illness - an illness with a shocking origin - and House asks Cameron to come back to her job.
Monica and Vic rush to get their informants off the street after two C.I's are found brutally murdered. Meanwhile, as Dutch and Claudette investigate a brutal beating and robbery, a case from the past forces Dutch to take one in the line of duty. Plus, Vic suspects he's being set up when Shane comes to him after his situation with Antwon and Halpern spins out of control.
A young Marine is killed in Iraq, but he was investigated by police for a murder on a young girl in his hometown. While going through his personal belongings, they find the body of that girl. The local police believes that the corpsman murdered the girl, but Gibbs believes that he is innocent and he will try to prove it with a help of Faith Coleman (guest star Alicia Coppola).
Jay is ready to graduate from college, but a series of events ruin her appearance.
Nathan's Uncle Cooper comes into town to take Nathan and Lucas on a racing trip. On the track, Nathan and Lucas are challenged to a race by the beautiful Daytona and her smart aleck brother Jarret, but things go horribly wrong when Nathan loses control of his car and crashes into a wall. Meanwhile, Deb's addiction to pain pills intensifies and Dan exposes Andy's relationship with Karen to his class.
Mickey's got a plan and this one is like no other. They're going to steal the Crown Jewels. Will he be able to get the others to join him on such a dangerous mission?
ADA Kibre works with Detectives Stabler and Benson to prosecute a serial rapist Gabriel whose trail of victims through the years has been whitewashed by his wealthy and protective mother Eleanor. Kibre must also overcome witness intimidation – and even sees her crucial DNA evidence tossed out – but the slippery suspect's lawyer has yet another surprise under his sleeve. The crossover starts on Law & Order: Special Victims Unit S06E20 Night (I).
When Cheryl's prim and proper bachelorette party disappoints Dana, Jim and Andy treat Dana to a rowdy night she'll never forget - but now will she make it to the wedding?
Mona entertains overtures from the head of a rival record company, who hopes to hire her away from Delicious. She seeks her father's advice on how to handle the situation, leading to resentment from Phyllis. Meanwhile, Big Dee Dee plans a lavish 15-month ""birthday"" party for Drew in the hopes of showing up her friends.
Gigi decides that a new bed – one her ex-boyfriend hasn’t touched – will be the only way to start fresh in her love life. While her friends Stella and Francesca are off bedding porn stars and movers, Gigi continues her search for a new mattress, and a new man to test it out. Unfortunately, her new bed is soon broken in by a howling ex-pimp. To make matters worse, while mattress-shopping, Gigi bumps into her ex-boyfriend and his new girlfriend who happen to be purchasing a bed for their new shared room.
Jake's visiting accountant brother Brian (guest-star Tom Parker) from LA says he sees no future for Jake and Nina, prompting Jake to seek advice from Andy. Also, accepted at Princeton, Amy assumes that her father secretly sent in her application. Lastly, health issues create tension between Rose and Harold, but the tension turns to fear when Harold finds out that Rose has a 3-centimeter long tumor.
After a bitter custody battle, shots are fired outside the courthouse. Bullets fly and the target is the little girl's mother. Horatio goes after the father, who he suspects may not be the girl's biological father after all. However, when the mother's shady past is uncovered, the team finds that she has a lot of enemies who would like to take a shot at her. Meanwhile, Calleigh's father returns to the crime lab for her guidance but for an unexpected reason.
When her boyfriend cancels their date for the senior party because she won't have sex with him, a depressed Spirit gets drunk on way to the event and misses all of the festivities. Meanwhile, Danielle and Candy are convinced they are being stood up by their dates with Flex and Duane, but unbeknownst to them, the guys are being held up at gunpoint by a man (Chingy) down on his luck.
After sleeping with bandmate Finn, Lynn believes that she can deal with an open relationship, but becomes extremely jealous whenever she sees him with other women. Meanwhile, Joan forces William to attend Toni's baby shower, although he believes such events should only be for women. He gives Toni an heirloom cradle that he expects to get back in the future for his own kids, only to learn that Toni has given it away to her cleaning lady (before firing her).