Cate banishes C.J. and grounds Bridget for going to C.J.'s college keg party. Jim has to take a written drivers exam after being pulled over with an expired license.
Amy confides to Bright that she may have developed feelings for Ephram and sees him in a new light, but Bright begs her to have mercy on poor Ephram, who is still nursing a broken heart from his recent break-up with Madison. Meanwhile, Linda reveals her HIV status to Delia after the girl confronts her about all the pills she's been taking. While Delia takes the news better than expected, the rest of the town goes ballistic after Linda's secret unintentionally becomes public knowledge. Dr. Abbott faces a potential malpractice suit, and Andy is forced to come clean with Ephram, who doesn't take the news very well.
A police officer collapses and dies after pulling over a car, and the investigation reveals he was murdered. Horatio grows suspicious when Internal Affairs gets involved in the case, leading him to believe that the killing wasn't a random crime. Meanwhile, Calleigh aids an abused woman who is living with one of the suspects in the probe. Yelina begins dating Horatio's nemesis – who is heading up the Internal Affairs inquiry.
While the Andromeda is confronted by the Commonwealth fleet and Tri-Jema, Dylan must decide whether or not he can entrust the Route of Ages to them.
Falling in love with a new temporary Montecito employee known only as "Bob the floater" (guest star Christian Kane), Nessa begins pressing her new mystery man for more personal details. However, when she discovers that her new beau is actually suffering from amnesia and walked into the hotel several days again hoping to jar his memory, Nessa turns to Ed in the hopes of uncovering the truth about Bob. Meanwhile, a guest's discovery of a revealing picture of her undressing in a hotel cabana on the internet, sends Danny on the hunt for a peeping camera man whose lens has also captured a revealing side of Delinda. Sam's war of words with a world-champion eater prompts her to enter an eating contest, enlisting Mike as her trainer.
When Greg refuses to lend a helping hand in redecorating, Kim hires an interior decorator to design a fireplace for their living room, desperate to prove to Greg that she doesn't need his help.
When Jesse's life hangs in the balance, Brennan must connect to him and lead him through past memories they've shared in order to save his life.
When the MacDougals are invited to spend Easter with the Barones, the two families attempt to bond over a 500-piece puzzle. While everyone else gets frustrated with the puzzle, Ray and Pat continue working on it until the wee hours of the night while sharing stories about themselves and their families.
Friction at the firm gets to Jimmy, who's torn between loyalties and principles. Meanwhile, tension besets Shore as he crosses swords with his brilliant but erratic new boss, whose behavior raises questions of competence.
Sue meets Jack and Bobby 's mentor who comes to Washington D.C. to ask for help in tracking a suspect whom Wes Kenner believes brought weapons grade uranium into Washington. Jack, Bobby, and Sue must try to track him down before the uranium is used to make a bomb. Dimitrius acts as a relief supervisor for Ted Garrett who is on vacation. Dimitrius gets in trouble for giving the go ahead to take over see case that began in Washington D.C. 's jurisdiction. Larson doesn't like the way Dimitrius is handling the case due to his lack of experience in dealing with the Russians. The team must go to court to make an appeal to have the case kept in Washington D.C. 's jurisdiction. Tara learns that Jack and Bobby's mentor faked his own death. The team must go to court to make an appeal to have the case kept in Washington D.C. 's jurisdiction. Tara learns that Jack and Bobby's mentor faked his own death. Jack soon figures out that was the only way to learn that help was needed.
Jack and Chase race against time to capture Saunders before the deadline, while Chappelle plans an escape. Michelle begins a frantic search when she learns that an infected hotel guest may have slipped through her fingers.
The town buries its most famous casualty while the man responsible is tried in Swearengen's saloon. Trixie helps a widowed Alma care for an orphan. Doc warns of an impending epidemic.
His father's longtime goomar sheds light on some of Tony's lingering emotional and financial mysteries. Meanwhile, Junior sees the upside of attending the funerals of fringe relations, while Christopher sees the downside of enabling an A.A. friend's new addiction.
After hearing that Skinner is getting cold feet about their wedding, Edna leaves Skinner at the altar and, after sending back one marriage gift, hooks up with Comic Book Guy. Meanwhile, Homer and Marge have an argument about if their marriage is still solid or not.
Kevin has to take a extra-curricular activity and takes Improv as he's convinced it's the easiest one their is.
Drake finds out Josh is great at pool or billiards as Josh calls it. Drake bets some kids, and takes advantage of Josh's pool skills and starts hustling people, by taking their money, shoes and other clothing/personal items. Now Josh has made the ultimate bet, and Drake's stuffed in the corner pocket.
Broke, trailerless and without rum, Julian decides to leave the park and ends up living in his car in an alley. Meanwhile, Randy will do anything for a store-bought cheeseburger.
A stable worker resorts to heroin smuggling, deception, extortion, and murder to finance the purchase of the farm and foundation stallion that will provide a leg up on the horse set social ladder.