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).
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?
Jay is ready to graduate from college, but a series of events ruin her appearance.
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).
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.
After Logan authorizes Palmer to take charge of the crisis, Palmer sanctions Jack and Curtis to infiltrate the Chinese Embassy on a covert operation to capture a suspect. Tony and Michelle continue to bump into each other's personal lives, while Buchanan expresses anger at being kept out of the mission. Jack faces Audrey's wrath when a medical dilemma places Paul's life in jeopardy.
When a case from ten years is re-opened, Allison finds herself in a chaotic situation. Things continue to get messier when Allison finds out that the convicted man is innocent, and that someone she knows and trusts may have been involved in his framing.
Mary meets her secret admirer but faces legal issues on the road to romance. When a philandering hotel guest (guest star Dave Foley) loses his wedding ring at a local brothel, Mike agrees to help him find it by investigating the establishment. Meanwhile, Danny and Ed do some investigating of their own to respect a friend's last wish for justice.
Krypto and Ace take on a mutant dog-plant hybrid who is stealing all the trees in Metropolis.
The comedy illusionist duo explore various topics and debunk what they consider misconceptions about them.
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.