When Jay insists that Michael buy her a present for ""Sweetheart's Day,"" a reluctant Michael comes up with a scheme to base the price of Jay's gift on her attitude towards him at a particular moment. He shares his plan with Jr., Tony and Franklin, hoping that they will follow the lead, but the only lead is straight to trouble.
Lorelai and Rory throw Emily a party. Richard and Emily recommit to their marriage. Rory tells Logan what she wants from him.
Dr. House and the team treat a homeless woman whose worsening symptoms and unknown identity prove to be a complex mystery.
The squad is at a loss on what to do with a violent homicide when Stabler's son points out that the event is straight out of a video game. Interviewing the game's creators leads them to a former employee, who then leads them (with a few other steps along the way) to a teenage couple who claim to be unable to distinguish fantasy from reality.
As Sipowicz settles into his role as sergeant, the 15th finds his absence unsettling, especially after Clark is teamed with a hair-triggered military officer on the murder of an Army man. Meanwhile, Jones and Medavoy's search for a missing homeless man leads one of them to a bold move.
A "meat puzzle" starts when Ducky identifies the pieces of three bodies that were stuffed inside a barrel a few months ago. They turn out to be bodies of a judge, prosecutor, and jury foreman that worked with Ducky on a rape case ten years ago.
J.D. tries to impress Kylie by paying a hobo in the hospital to fake a heart attack, when everything becomes boring due to a quarantine that he caused. Turk learns, that Carla dated Cox and gets mad at her for not telling him. The Janitor makes a bet with Dr. Kelso, who is starving, that will make him pay $700, unless the Janitor is able to get a "face cake," in order to satisfy him, from Laverne. Also, Danni Sullivan returns to annoy everyone, causing a constant fight between Ted and Doug.
When Michelle Branch & Jessica Harp from the band "The Wreckers" perform at TRIC, Haley realizes her passion is to pursue her music career. Meanwhile, Lucas decides to move in with Dan, straining his relationships with both Karen and Nathan. Brooke runs for student council president, but quickly realizes she is taking on more than she bargained for. Peyton and Jake's friendship grows stronger. Brooke finds out that Mouth broke her car window. Lucas gets his HCM results and aren't what they turn out to be.
Hun's always been loyal, but too many failures have tarnished his relationship with his master. But when Karai is captured by Bishop, the Shredder gives Hun a mission in which he can redeem himself: save Karai and bring her back alive.
Cheryl claims to like men who aren't afraid to cry, but when Jim bursts into tears after a movie, she is surprised to find herself turned off by his sensitivity.
The case of 17th-century serial killer Erzsebet Bathory - a Hungarian aristocrat who is said to have murdered 600 of her servants in an attempt to achieve eternal youth
SS Lieutenant Colonel Adolf Eichmann ordered the deportation of Hungary's Jews following occupation in 1944, precipitating the most intensive period of slaughter in Aushwitz's history. The Allies, meanwhile, faced dilemmas: should they divert valuable resources to bomb transport routes to the camp? And should they consider Eichmann's offer of one million Jewish lives in exchange for certain provisions - the ""Blood for Goods"" deal?
The Nan Zhao kingdom is brainwashed by the chief of a moon-worshiping cult who forces the King to sentence his Queen (Sun Li) to death, claiming that she is a demon.
Moz is a drug dealer and has very strange clientele who come and go from his flat.
Lacey brings nice wine to dinner at the Leroy home. Unfortunately for Oscar and Emma it opens a door to the wine world that never should have been opened. Meanwhile Hank's life is turned upside down when he wins the lottery. And despite warnings from Brent and Wanda, Karen makes the mistake of talking Davis into getting new shoes.
The Nan Zhao kingdom is brainwashed by the chief of a moon-worshiping cult who forces the King to sentence his Queen (Sun Li) to death, claiming that she is a demon.
When the hotel enters one of its slowest weeks of the year, Ed decides to stir things up a bit by switching everyone's job positions around so they can walk in one another's shoes. Delinda takes over for Ed and finds herself bored stiff after having to attend a city hall meeting while Sam and Mary take over surveillance. Meanwhile, Danny is in charge of the casino floor and runs into an old high school buddy who's having extremely unusual and suspicious luck winning millions of dollars. Elsewhere, Mike is put to the task of clearing a traffic ticket that Ed claims is wrong - despite the fact that there are photos to prove his guilt.
Eric Camden, a minister, and his wife Annie deal with the drama of having seven children, ranging from toddlers to adults with families of their own.
Andy and Amanda (guest-star Anne Heche) decide that it's time to tell Delia and Charlie (guest-star Shane Haboucha) about their relationship before they hear about it elsewhere, but Charlie's emotional reaction makes them question what they're doing. Meanwhile, when Hannah (Sarah Drew) doesn't jump at the opportunity to go on a date with a really cute guy, Topher, from school, Amy is convinced that Hannah is misguidedly saving herself for Bright. Nina questions whether Sam (guest-star Jimmy Bennett) is going to be hurt again if her relationship with Jake (Scott Wolf) doesn't work out. Lastly, we flashback to Amanda (Anne Heche) and John earlier in their marriage of a more happier time with their son Charlie, right before he has his stroke.
The CSIs uncover a complex counterfeiting operation after a bellboy is found murdered at one of Miami's hottest hotels. The luggage that the deceased bellboy had been loading, as well as a heist of a special paper that money is printed on, leads the CSIs to uncover a complex counterfeiting operation. It's cruise season in Miami, which means that the population of Miami swells, giving the team even more suspects to the murder. Meanwhile, Calleigh must investigate when a woman goes missing, and is later found dead, after she and her husband attend a hot and flirty "friction" party.