The police and prosecutors investigate the connection between an award-winning songwriter and the young woman found murdered in his home to discover who would profit by her death at his hands.
During Vegas's latest Heat wave of triple digit temperatures, Gil and Catherine investigate a baby locked in a car. Warrick investigates a man dead of an apparent heat stroke in his house. Nick and Sarah investigate a woman's body found floating in the lake with a blow to the head.
On September 2, 1998, a fire breaks out on Swissair Flight 111 while in-flight, damaging vital systems and causing the aircraft to crash into the sea off Peggy's Cove, Nova Scotia, with no survivors.
Jim and Cheryl encourage the girls to make a lemonade stand and raise money for their scooters. What was supposed to be a lesson about the value of the dollar turns into a racy competition among neighbors when Bill and his next door neighbor Driscoll set up little amusement parks in their years. Dana and Andy pitch in, while Cheryl tries to stay out of it – until she gets into a catfight with the neighbor's wife. Once the police is called in, Jim realizes he's lost the purpose of the lemonade stand and decides to give the girls the rest of the money for the scooters.
Trying to lighten Ruby's homework load – and therefore look like he's helping her – Jim tells Ruby's teacher that Cheryl can't read.
When the bank insists that the firm pay off its loan immediately, Nick is forced to try to collect unpaid fees from delinquent clients. Meanwhile, Lulu's estranged father returns and asks her for money.
Lorelai struggles to hide details of her life from Emily. Rory discovers that college dating isn't easy. Lorelai invites Luke over for movie night.
This episode demonstrates the production processes for wheel loaders, vegetable oil, hand tools and cotton swabs, and shows how each is made.
Lucas asks Keith to play with him in the annual "Father and Son" basketball game, and realizes he got the better father figure after Dan publicly humiliates Nathan on the court. Also, Peyton has a hard time dealing with the anniversary of her mother's death and finds a comforting ally in Whitey.
There is good news for Dennis, and Marjorie Dawes bumps into Paul while out shopping.
Christian learns that Kimber and Merril are engaged. Escobar continues to have the surgeons do things for him. Liz is sent to Bermuda after being shot in the leg by one of Escobar's people. Sean goes to kill Escobar. Escobar makes a deal with Sean; a new face for their freedom. Christian learns, in the delivery room, that he is not the father of Gina's baby. Julia returns to get the paternity test she had done a while ago. The doctors do surgery on Escobar, and give him the face of a criminal even higher than Gallardo on the Most Wanted List - Armand Ortiz. Ortiz is arrested at the airport for bank robbing and killing a federal agent.
A newborn baby is found dead in a gutter, sending the detectives on a hunt for the mother. She too turns up murdered, and the clues point to a serial child molester.
The detectives investigate a strangulation murder that may be tied to one of Diane Russell's cases; Russell consults a doctor when she discovers a lump in her breast; Medavoy and Jones investigate an arson linked to two boys.
In an effort to improve his show's flagging ratings, Flex uses Breanna to get an exclusive interview with a Russian basketball star who is playing at her school.
Dr. Abbott suspects that Linda and Andy like each other more than they should, so he decides to set his sister up with more appropriate suitors. Meanwhile, Ephram finally has the courage to tell Amy how he really feels about their relationship, but he is confused by his feelings for Madison, who comes to the rescue when Ephram needs help to pass his driving test. Meanwhile, Andy tries to help the soon-to-be-remarried Reverend Keyes (guest-star Tim DeKay) cope with his impending blindness, but the minister would rather leave his fate to God than attempt a new treatment that might save his sight.
The two young owners of a city bar are gunned down after hours and another man is wounded in the attack, which was allegedly committed by a masked gunman. Meanwhile, Calleigh's dad announces he is now a public defender and needs her help with a murder case in which a woman allegedly stabbed her boyfriend to death in his car with a screwdriver.
Hoping to prove herself to her father, Dee Dee goes against his wishes and tries to personally handle a tenant who has failed to pay rent for the last few months. She must come up with a new plan of attack after the man retaliates by threatening to expose several building code violations involving Dee Dee's apartment. Meanwhile, Mona reluctantly takes her mother out on the town. She feels crowded when Phyllis begins showing up regularly at her hangout and playing matchmaker for the patrons.
Maya learns that tuition has increased substantially, and she doesn't have enough money to cover it. William tries to give her the money by pretending she has received it from the firm's continuing education plan, but she turns him down. Lynn housesits for Joan so that her DSL can be installed while she is away with Brock. Lynn claims that she is going to work on a grant proposal for another documentary, but gets nothing done. Joan refuses to let her stay at the house, and Toni and William also reject her. Maya agrees to let Lynn move in for a month if she pays rent. Lynn proceeds to lie around and do absolutely nothing. Maya pays her tuition, but learns that her credits do not transfer and she must start over again as a freshman. She is unbelievably frustrated and breaks down in tears. Lynn annoys Maya by complaining about her own plight and claiming to be depressed. William tells Lynn what Maya is experiencing and convinces her to be more sensitive, and also to take action
During his Sunday sermon, Eric proposes that instead of a financial contribution, everyone should make a commitment to reach out and help someone in need. Kevin suggests that he and Lucy work together to set up a neighborhood watch program, but she feels passionate about working with Habitat for Humanity. Eric calls his new son-in-law Carlos (guest-star Carlos Ponce) and asks him to fly in without Mary for dinner with the family, which makes Carlos very nervous. Also, Ruthie picks a shy new girl at school as her project and soon finds out that she has a secret. Meanwhile, Peter picks Ruthie as his project, which prompts her to tell him that they should spend less time together. Chandler and Roxanne keep running into each other stirring up old feelings. Lastly, Annie becomes jealous of all of the time the twins are spending with Cecilia.