It's the end of the year at Degrassi. Jimmy wants the last dance experience to be perfect for his date and friends before he leaves for the summer, so he treats for dinner and a limo. The limo is a huge disappointment and the driver (played by Billy Ray Cyrus) gets arrested while the kids are having dinner. The bill for the dinner includes the charges for the lunch Paige and Spinner stiffed them on in an earlier episode. When they finally get to the dance, the place is on fire - literally. Sean is failing his classwork from all the late night partying, but Mr. Simpson gives him a last chance to make it up. Feeling guilty for stealing his laptop, Sean comes clean, but getting Mr. Simpson's forgiveness is not easy, until he has car trouble and Sean offers to repair it for only the cost of the parts. Joey asks Caitlin to move in, but she has to take care of business first.
Seans brother (Tracker) gets a job in Alberta but Sean doesn't want to move so he stays on student wellfare and lives in his brothers house. But when he throws a party he notices that he can't handle living by himself. Meanwhile, Liberty convinces J.T. to ask Manny to the semi-formal and he does but when he sees her with Craig he starts to get second thoughts.
The family heads to San Diego for a nice relaxing family vacation. But it's not the kids who have a problem relaxing, it's Bernie. He jumps on the last flight to Las Vegas to meet the boys for some gambling and debauchery. While in Vegas he meets up with boxer Sugar Shane Mosley, but it's Wanda who throws the punches.
Gob attempts to make good on his promise to make the family yacht disappear. Meanwhile, Lindsay and Maeby try to track down Lindsay's grandmother, Tobias seeks George Sr.'s respect, and Michael attempts to fire Kitty, who claims to have information that could bring down the company.
Calamity Jane helps Doc protect a young girl who survived a recent massacre. New Yorker Brom Garret realizes he may not be cut out for prospecting. Dan mulls over a difficult order from Al Swearengen.
Carmela and Tony reunite, if only to discuss Anthony Jr.'s dwindling college prospects. Feech takes Tony's crew on a trip down memory lane. Lorraine's allegiances get her into hot water. A.J. has a night to remember in the Big Apple.
Bart gets sent to juvenile hall after fooling everyone that there was a marriage concerning him. He encounters a dangerous girl there... He flees with Gina, but then the two are caught by Wiggum.
Sydney and Vaughn must track Kazari Bomani down to get hold of a piece of the Rambaldi puzzle. Meanwhile, Jack reveals his suspicions to Senator Reed about his daughter Lauren's allegiances, and Vaughn decides what to do about his marriage.
Kevin's back where it all began in episode 1, prison! But now he's 'graduated' from juvie and is sent to an adult prison despite being a minor. Officials find out about this and strike a deal with the boy to prevent this from going public.
When the remains of a baby are found, proving the identity of the child will prove to be a difficult task. Elsewhere, a woman has fallen down some stairs was it an accident or murder.
Hank's father becomes part of a civilian police patrol, usurping Dale's self-proclaimed title of neighborhood protector.
Eugene and his firm stand against Alan Shore and his "new" firm. The entire episode revolves around Eugene, Ellenor, and Jimmy testifing that Alan doesn't deserve the amount of money Alan proposed. Can Ellenor really testify against her friend? How will Alan go against his old firm?
Jason Mraz (Dion) and Fefe Dobson (Tina Turner) are the guest impersonators on Bandstand, where Roxanne wants a hairstyling job. She also has boy woes: Lenny's return has clearly rattled Luke. Meanwhile, Beth makes a decision about her pregnancy; Nathan (Keith Robinson) is drafted, and Sam tries to get Meg to talk to Drew about his CO status; JJ's unit goes on a mission with a by-the-book new corporal (John Sloan); Jack considers his political options over coffee with Will's former teacher, the former Sister Grace (Robyn Lively); Will might be made to repeat fourth grade; and Patty uses hamster chips to get closer to Carl (Wes Robinson).
Josh and Drake both get a job at the movie theater. Josh does a bunch of work, but Drake slacks off and gets all the credit. When Drake becomes Josh's boss, Josh is fed up, because he was doing all of Drake's work for him.
Tina, Jenny, Shane, Alice and Dana all share an eventful trip to Palm Springs. While on the road, they all share their "first love" stories. Back in Los Angeles, Bette hires Candace, an attractive carpenter, to handle the set-up of the "Provocations" exhibit opening at the gallery.
Lois tags along with Malcolm as he visits a college, but she's determined to room in the dorm Malcolm is staying in when she learns the room is co-ed. Meanwhile, after his father denies him a piano, Dewey begins stealing objects from around the house to amuse himself and to drive Hal crazy. Reese meets a girl, who he thinks is a narc, and he pretends he is a dealer, unaware that she is really an undercover cop.
A neurologist who believes that she can communicate with a woman in a persistent vegetative state is murdered by a family member who fears that the doctor will uncover the multi-million dollar motive which led to the woman's disability.
Lilly investigates an unsolved hit-and-run accident from New Year's Eve 1999 that left a man dead, after a recovering alcoholic comes forward and claims she is the one who hit him. But the evidence points to the guy being murdered, not accidentally run down.