Harry loses his cool with 3 swimmers that he's forced to rescue just seconds after warning them not to swim in a dangerous area. However, calling them "imbeciles" and "idiots" puts him in hot water.
After Jin is kidnapped and taken to Hydra Island by Widmore's team, the Man in Black confronts Widmore. On the main island, Sun loses her ability to speak English. In the flash sideways, Sun and Jin are abducted after failing to complete a transaction for Sun's father.
In tracking a vanished confidential informant, Raylan goes against a pair of violent ex-cons who are just dying for a showdown with "The Kentucky Cowboy."
There's pandemonium at Police Station Four. Something has gone terribly wrong at Barnett's Travelling Royal Circus. Lulu, the white Siberian tiger went berserk and partially devoured its trainer before escaping into the streets. Lulu has since been shot and killed but rumors have started circulating that this wasn't simply a case of 'tiger gone bad'.
After an unexpected bowl game pick the team goes to Louisiana. Thad tries to keep his team safe while also sabatoging the other team. Shiloh has a problem of his own to deal with.
Liam befriends World War Two veteran, Reggie, to help him with a school project. Troubled and lonely without his sister and fed up with Libby's well-intentioned interference at home, Liam finds solace in his friendship with the old man. But when Libby spies on them, she jumps to the all the wrong conclusions - leading to a tragic confrontation between the Gallaghers and Reggie. Maxine is shocked when her brother, Bruce, turns up with a black eye claiming a homophobic attack by their dad, but her loyalties are tested when she confronts their father and discovers the real story. Bruce's arrival as an openly gay man on Chatsworth agitates the locals and he quickly outstays his welcome at Ian's house, but he charms his way into Mimi's heart and the Jockey, leaving Mickey teetering on the brink of a nervous breakdown. Meanwhile, Karen is put out when Joe appears to have moved on by taking control of his life and attending anger management classes.
After two men murder a man in a crowded nightclub, Nate discovers his daughter was an eyewitness. Meanwhile, tensions rise between Sal and Gil on the gang task force, and Sammy confronts his wife, Tammi, after discovering she has been photographing gang members.
Captain Ross finds himself at the tragic center of an overseas conflict, galvanizing the assistance of Major Case detectives Goren, Eames and Nichols.
Naomi immediately butts heads with the Blaze's new faculty advisor, Mr. Cannon, and is reprimanded in front of her peers. After failing to convince Navid to back her opinion, Naomi decides to tell a tiny lie that soon snowballs out of control. Adrianna is now the lead singer of the Glorious Steinems and confides in Silver and Naomi about her newfound feelings for Gia, and the two go out on their first official date. Teddy decides to test Silver by attempting to make her jealous. Dixon and his birthmother Dana continue to bond. Liam catches his stepfather with another woman and confronts him with his fist. Debbie and her instructor, Kai share tea and conversation after yoga, but Kai oversteps his boundaries.
In the immediate aftermath of Grace and Neely’s survived fall from the top of a building, Grace, now known as “Angel Cop” by the city, decides to have it out with God once and for all. But a mysterious stranger might have something to say about that. Ham struggles with his father over the fact that Ham is now dating his dead brother’s widow. And the squad investigates a deadly mauling by a dog.
Lux is forced to face her complicated feelings for Jones when she sees him kissing another girl at a party. When a storm hits Portland, Ryan and Lux find themselves stranded at the radio station, and Ryan learns more than he ever knew about what Lux went through as a child. Cate goes to Baze's bar looking for Lux, but the storm traps her there with Baze, Math, Jamie and her sister, Abby.
Kyle transforms into a chicken after getting the chicken pox, so the boys try to get him to turn back to normal by laying an egg.
A professional disaster looms for Patty when her clients ask that she be thrown off the Tobin case. Tom makes a risky move that may cost Ellen her job at the D.A.'s office.
At Padua High, newcomers Kat and Bianca Stratford attempt to navigate the popular crowd.
Jackie covers for a hung-over O'Hara, while Eddie befriends Kevin and Dr. Coop gets hooked on microblogging.
President Taylor's vision of global peace has been foiled over the last 13 hellish hours, and the situation worsens when the imminent threat of mass destruction clarifies. As her idealistic nature becomes a point of contention, she tasks Jack Bauer with a crucial mission, and advisor Ethan Kanin returns in the heart-stopping.
While picking their way through the South, the guys meet up with John, a Mississippi motorcycle collector who has plenty of cool stuff, but his prices are through the roof. Then Mike spots a rare 1969 Kawasaki muscle bike, but can he wrestle it out of the mud? While in Alabama, Mike and Frank visit a prolific car hobbyist whose yard looks like a vintage parking lot. After driving down Poorhouse Road, they scour the bizarre collection at the Alabama Museum of Wonder where everything–including a gigantic head from a Piggly Wiggly mascot–is for sale. And finally, the guys catch a lucky break at a Birmingham vintage scooter shop.
Chuck has his pick of the best CIA agents for an undercover operation, but he has only one girl in mind for the job, Sarah. Casey, Morgan and Awesome team up to help Chuck win her back.
The guys are in the South and running low on cash. They’re desperate for a good pick when they happen upon a massive old junkyard and closed-down family flea market. The location is promising but its nostalgic owner is reluctant to part with his treasures. Then, Mike and Frank tour an amazing collection of rare, retro automobiles. Mike is thrilled about discovering a famous cartoonist’s sketchbook that could be the jackpot they’ve been waiting for. But before they start laying out the cash, they have to make sure it’s the real deal. And, after taking a big gamble on buying a huge pottery collection in Atlanta, the guys find out what their new thousand-dollar pottery collection is really worth.
Chuck finds himself once again at odds with his uncle, Jack Bass. Eleanor puts Blair in charge of making sure her latest fashion show is a huge success with an important client. Rufus attempts to get Jenny back on track by volunteering to have her help with Eleanor’s fashion show, but the opportunity takes a big turn for the worse when Jenny learns that Agnes will be one of the models.