Dylan sets out to find an assassin known as The Leper who is trying to kill his good friend.
Jordan and the team are sent to lead the recovery effort at the site of an explosion. Amongst the rubble is a lone survivor and Jordan must keep him talking till help can get to him. The grim task of identifying the victims falls on Dr. Macy.
Horatio and his team must uncover the evidence in the brutal murder of an entire family in their own home. The only survivors are a blood-soaked toddler, and the father who's in surgery. The immediate assumption is that the mother is responsible – post-partum depression – but the evidence discloses a different outcome.
Ray and Debra are excited to have finally met a couple, who are just like them. However, Ray starts having mixed feelings when their annoying 8 year-old son wreaks havoc around the Barone household.
When a fire breaks out in the supermarket where Bosco and his mother Rose are doing some late night shopping, Bosco rescues most of the shoppers but cannot save a young mother when she goes back inside to retrieve her purse. After Jimmy tells him that the fire was probably deliberately set, Bosco is convinced that he saw the arsonist in the crowd outside after the fire. Sgt. Cruz gets Bosco and Faith assigned to the Anti-Crime Unit for a few days so that they can track the guy down. At the scene of another supermarket fire the next night, Faith takes down license plate numbers, Cruz photographs the crowd and cars at the scene, and Bosco nabs the man he saw in the crowd the night before. The man turns out to be a fire buff, but Faith and Cruz's work bears fruit and they find their arsonist -- the son of Doug Maple, an NYFD arson investigator. A depressed Sully is still on leave, drinking too much, and sleeping on the couch at Ty's and Carlos' apartment; Doc connects with an attractive
Greg and Kim worry that they're not making her second pregnancy special after accidentally using the baby's sonogram as scrap paper. To avoid being the kind of parents who ignore their second child, they decide to get the new baby all new stuff, instead of just Sam's hand-me-downs. Jimmy and Christine both think they're overreacting, until Christine realizes they are the kind of parents who ignore their second child; they have tons of videos and photos of Dominic and almost none of Logan. Since Christine has no childhood memories from before she was 4, she assumes Logan won't either, and decides to start faking his childhood photos and videos, using Logan for the walking, talking years, and Sam and hired children for the baby years. After trying unsuccessfully to sell off Sam's nursery set, Kim changes her mind and makes Greg put it in storage just in case Sam might want to pass it on to his children. After Greg gets attacked by a raccoon at the storage locker, he sees how crazy obsess
The unannounced arrival of Jacob and Nonny Hoffman (Mark Rydell, Doris Belack) from New York is greeted with glee by Delia and Ephram. But Andy feels pressed to his limits as he tries to placate his overbearing guests, particularly his pushy father-in-law, who openly criticizes the physician's parenting skills. On top of that, Jacob obviously enjoys a special bond with Ephram that Andy can't duplicate. Meanwhile, Nonny makes her own impression in Everwood when she butts heads with Edna over Delia's affections. Lastly, Ephram sneaks out of the house to see Amy who is still emotionally recovering from the aftermath of Colin's (Mike Erwin) surgery.
Gary Coleman moves into Nikki and Kim's apartment building, inspiring Nikki to move into a career as his manager. Meanwhile, Stevie and T start dating.
Breanna starts to date a new cute guy at her school named Josh, but Flex plans to end their relationship when he finds out that he is the son of his rival for his Sport's Casting job. Meanwhile Arnaz seems to be getting bored with his relationship with Ginger. He wants to get with Breanna again but he soon discovers that she and Josh are dating now.
Dee Dee is smitten with her new beau, but the romance sours when she learns that he and Mona dated in high school. Although Mona gives her blessing to the union, she soon changes her mind.
Maya's cousin Ronnie and his boyfriend, Peaches, tell Maya that they have spotted Darnell in a compromising position with a woman at the Red Lobster. It is the same woman that Joan once saw with Darnell years earlier. Maya confronts Cecily and learns that she is having an affair with Darnell. This leads the distraught Maya to declare that she and Darnell are now ""even"" and move back to the house, where she and Darnell make a decision about the future of their relationship. Meanwhile, William obsesses over the fate of a missing suitcase.
Eric and Rabbi Glass pay a visit to the church to spy on the new associate pastor. Meanwhile, Ruthie is in big trouble when she's caught slow dancing with her boyfriend when she's supposed to be babysitting Sam and David. Meanwhile, Lucy asks Simon to dig up some information on Roxanne during his ride-along with her and Kevin in their patrol car. Lastly, Kevin has some explaining to do to Lucy after he runs into his ex-wife.
The pragmatic, reserved and refined Maigret investigates murders in his singular unhurried manner and inevitably discovers the truth.
At a wedding, Doug takes a naughty picture with a disposable camera supplied by the bride and groom. After letting Danny take the blame, and after confessing to a priest, he has the dreaded task of coming forward with the truth.
Larry proves himself an unskilled Christmas tipper, while both Larry and Jeff prove incompetent at creating believable alibis for the messes they get in. After offending his housekeeper, Larry makes amends with her at the expense of his wife. Later, Larry attempts to reconcile with Cheryl's family after ruining their nativity scene.
Sydney's trust in her father begins to fade. Meanwhile, Sydney and Vaughn may have been exposed to a deadly virus while in Taipei; Sloane haunted by Emily's death begins to unravel. Vaughn enlists Will to help research a case.
When Phoebe must constantly save the life of her new boyfriend, a warlock shows up from the future, claiming that future Cole sent him in order to kill the boyfriend before Phoebe's dies instead. However, present Cole cannot allow this and tries to help the sisters protect Miles, but when the warlock decides to work on his own agenda, by stealing the Book of Shadows, it results in the death of two of the Halliwell sisters. The survivor must decide whether going back to change the past is the right thing to do.
When Earth is jeopardized by global warming, the crew attends a conference in Kyoto hosted by Al Gore's head.
High school's first day vexes Malcolm, who acquires an unfortunate nickname; and Hal, a parental "volunteer" running afoul of authority.
The detectives investigate a triple murder, including the son and daughter of a wealthy businessman, that occurred in his apartment. After investigating the childrens' stepmother (his second wife), they turn to a pair of nannies, one of whom works for the family. However, the detectives must reach back to the nannies' history as children, and a television soap opera, in order to better understand the motives for the crime.