The team members try to identify a stalker before he can attack a woman who is being stalked in Silver Spring, Maryland. Meanwhile, Hotch and Rossi are called as consultants on a possible battered woman syndrome murder case in Boston.
As the search for the taxi cab killer continues riding a cab gets very deadly. The team must figure out how to keep New York City safe. Also Danny, Lindsey, and Flack investigate the murder of a man who made a half court shot during a game that both Danny and Flack were attending.
The remaining chefs' knife skills are challenged again, followed by a wedding reception challenge which might bring the blades out for an entirely different purpose.
A legal aid strike ends in the death of a lawyer, and the investigation leads to a golf greenskeeper who proclaims his innocence, again. Then the case takes an even stranger twist when Rubirosa is pitted against Cutter because of the strike that started it all.
A fantasy birthday celebration is the order of the day for the remaining aspiring chefs. The chefs cook for a sweet 16 party, but the mood in Hell's Kitchen is anything but sweet. One chef must face Ramsay's wrath when a diner sends back undercooked meat. And in a surprise twist, a new chef joins one of the teams at the episode's elimination ceremony.
When a pregnant woman's body is discovered in a burned-out brownstone, the investigation turns to a family of coffee importers.
After hashing out their differences in Big Bear, one team returns to the mansion and announces to the other teams that they are a force to be reckoned with. Geeks become style gurus when they give head-to-toe makeovers to a group of nerdy girls for this week's challenge. The beauties roll up their sleeves and are tested on their plumbing skills.
Although reluctantly, Sebastian accepts a seven-figure retainer to defend a crooked casino owner who allegedly murdered the head of operations at his casino.
While on an undercover mission, Ziva's life is put in grave danger when the serial killer she's been tracking becomes suspicious of her.
Moz is a drug dealer and has very strange clientele who come and go from his flat.
A man is murdered when someone drops a piece of slate off a bridge. The team tracks the slate to one of their own and Alexx's son becomes a suspect. Then to make matters worse Alexx finds him in a warehouse holding a bloody knife over his friend who happened to be the other suspect.
Brennan's father Max Keenan is on trial for the alleged murder of FBI Deputy Director Kirby. Everyone on the team, except for Brennan, is called as a witness for the prosecution during the trial. Brennan on the other hand is the forensics advisor for the defense, and she must rely on both her dedication to her family and her skill as an anthropologist to help free her father.
Allison has dreams that help Scanlon in his search to find out who killed a wealthy local drug dealer. Allison and Scanlon are dumbfounded when Allison's dreams lead them to a severely impaired man with a bullet stuck in his brain. Meanwhile, Joe's partnership with Meghan Doyle is put in jeopardy.
While Lo and Lauren enjoy living at the house, Audrina feels more and more left out. Meanwhile Stephanie thinks it's time to get rid of Spencer and Heidi prepares her next step in her career.
Dani faces a tough decision: Noah or horse racing, and Matt and Kris find running the dude ranch difficult. Later, while searching for two missing children, Matt and Junior argue.
Darcy and Emma try to help Snake go back to school. He accepts, but after the "welcome" he receives, he prefers to give up and stay home, which makes Spike consider a break between them. After Holly J. asks Toby to tutor her, she starts liking him.
Adventure in New Zealand does not come without consequences, especially when Scott and Justin meet up with their "larger than life" kiwi friend Ellis. Justin's competitive risk-taking side takes over, while Scott deals with his own fears.
Mike heads to the site of a future California neighborhood where he learns that there's more to erosion control than one might think. Then Mike gets a bird's eye view of Palm Springs as he helps maintain and repair the tram 8,500 feet above the city.