Veronica is hired to track down a one-night-stand, but the situation becomes more complicated when she turns out to be a hooker. Meanwhile, Keith continues his investigation in Dean O'Dell's death, and a visit by Madison Sinclair causes trouble for Veronica and Logan.
Mike joins the Bowie BaySox team at Prince Georges Stadium in Maryland acting as a groundskeeper. Next he fixes boat moorings with a former Navy SEAL. He then joins Watson Water company dig deep through mud, rock, gravel, sand and water as they drill for heating and water in Tennessee. Also, Mike takes a dive into the mail bag.
Rory makes amends with Lucy while Christopher finds the letter Lorelai wrote for Luke's character reference. Rory witnesses a frightening sight while at Richard's Economics class. Sookie is acting weirdly so Lorelai makes Jackson confess: Sookie is pregnant again, even though Sookie told Jackson to get a vasectomy.
While House is forced to work full-time in the clinic and deal with a rape victim who insists on confiding with him, Cameron deals with a terminal cancer patient trying to take advantage of her state of mind.
This episode demonstrates the production processes for pistons, paint rollers, parachutes and chimneys, and shows how each is made.
Jack finds himself confronting his father while the lead terrorist needs help if he's to explode the remaining bombs.
In Mexico, Sucre gets a car but gets in trouble by the police. Bellick has more trouble as the new inmate as prisoners who suffered with him want revenge.
Hiro continues to search for a sword while being chased by mysterious figures. An invisible man named Claude has something to teach one of the heroes. D.L. takes on new family responsibilities, and Matt opens up to his wife. H.R.G. continues to focus on the captive Sylar. Claire seeks out the Haitian and then her birth parents. Mohinder looks for those on the list, and receives a surprise visitor. A psychiatrist offers to help Niki.
Chris gets no respect when he has hall monitor duty. Greg tells him to step up his game but the power goes to Chris' head and he could lose Greg as his friend. Tonya finds out her popularity is because the girls want to get close to Drew.
Hopper unexpectedly meets again with Jared - the guy who bit him in the fifth episode - and finds out that he is not the only one reliving the day over and over again. He also finds out that there was an eye-witness and that he was identified as Garza's murderer, while realizing that he has to deal with very powerful people. He also learns that people that are close to him might know more than they say they do.
Hopper discovers that a possible war between two rival gangs may be linked to his framing for the murder of Garza. Meanwhile, he pays a visit to Garza's murder scene and begins to piece together who may have really killed the Assistant District Attorney.
Hopper believes that Jennifer is somehow involved in his hellacious day and hiding something from him. In order to find out what she's afraid to admit, he pays a visit to his estranged mother to go through his father's old police files to find a connection.
Jo helps out Suzanne and Shane Haines, whose 4-year-old son, Sean is ruling the house: crying, hitting, swearing, kicking, and biting his parents along with his big 10-year-old brother, Seth, who is resentful because of Sean's behavior, so he talks back and antagonizes his parents in order to get their attention. The parents are passive and allow the boys to get out of control. Can Jo help get the Haines family more lively?
When an uninvited Audrina shows up at Heidi's birthday, she learns Heidi's not ready to forgive and forget. Lauren, determined to focus on work, falls for the charms of the new guy in her life, Brody.
After serving time in a juvenile detention center for stealing a car, Kristine secures a job as a stable hand at Raintree Farms. As she works her way up to jockey, she finds romance and competition from Raintree's rivals, the Davis Farm.
The lives and relationships of a group of siblings and their estranged father Frank Gallagher on a rough Manchester estate.
A tabloid editor and her photographer try to make their way in the world of celebrity journalism.
The life, or lack thereof, of a proprietor of a gas station, which is the only stop for miles around and a hub of action on the Prairies.