The murder of a psychologist leads to a case involving a computer company that sells information and their responsibility in shielding their clients' history in order to serve their needs.
On the day before the New Hampshire primary, Josh drafts Donna as his frontwoman to ensure that Bartlet wins the nation's first primary in the small town of Hartsfield's Landing; C.J. and Charlie play an ever-escalating game of practical jokes; Jed plays simultaneous chess games with Sam and Toby while he plays delicate diplomatic and military games with the Chinese government over Taiwan.
Drew is upset when Lewis, Oswald and Kate begin neglecting him to devote more time to their jobs. Steve also cannot spend time with him because of plans with Mimi. A vicious stray dog shows up in the yard and tries to steal a sandwich from Drew and Speedy. A depressed Drew has lunch with Mr. Wick after his friends stand him up. They find that they have common interests, but Wick quickly scares him off by making plans to spend every minute of the day together. Drew tricks Lewis, Oswald, Kate and Steve into coming over by claiming an emergency. They are upset to learn that he just wants to play a game of Risk, and try to leave. The wild dog returns as part of a pack. The dogs surround the house, even cutting off the phone lines. They fake an attack on a small dog, who lets them into the house after the gang brings him inside to help him. Everyone must flee to the basement, where they pass the time by reading Drew's old journal and singing songs. Mimi comes by in the morning lo
Junior asks his dad to teach him how to box so he can protect his sister's honor; Junior knocks out his dad in boxing on a lucky shot.
A beautiful, off-beat woman blows into town and sweeps Ed off his feet, while encouraging him to face his fears and live life to the fullest; everyone gets more than they bargained for when Carol gives her students a journalism assignment to videotape and report a news-breaking story at Stuckeyville High; Ed discovers an unpleasant truth about Jim and forces him to tell Molly, who is devastated by the revelation.
The cases of Harmon Rabb, former Navy fighter pilot, and his fellow lawyers of the U.S. Navy's Judge Advocate General's office.
Buffy's old boyfriend, Riley Finn, shows up unexpectedly as he tracks a demon about to hatch eggs that could wipe out Sunnydale.
Eric catches Jackie kissing Todd, her boss, but instead of telling Kelso, he holds it over her head. Jackie decides to tell Kelso about it herself, as well as telling him that Eric knew all about it. Both of their plans backfire on them. Kitty feels neglected and worries about becoming a Corvette-widow when Red spends all his time with his new car.
Jack has a final confrontation with Gaines as a CTU chopper heads to the compound. Nina and Tony talk to Jamey's mother in order to learn why she was helping the assassins. Carl Webb threatens Palmer to keep quiet about the murder once and for all. CTU learns that more assassins are on their way to LA.
Rory panics when she realizes she's lost the bracelet Dean made for her. When Lorelai spots someone in Rory's room, she makes accusations of theft.
Whitney falls in with some former jocks who have kryptonite tattoos that give them the power to walk through walls. Meanwhile, Chloe is seriously injured and Lex has his own plans.
Frasier is unimpressed when his scheming, scamming ex-brother-in-law rolls in for a visit -- now in a wheelchair -- and claims to be a reformed, God-fearing man who needs money for a revival ministry.
The detectives investigate the separate murders of two supposedly upstanding citizens: an ex-convict turned community activist and a doctor who donated time to helping drug addicts and prostitutes.
Michael, Jesse and Valenti call on a discredited doctor to help the wounded Isabel. Also, Clayton Wheeler undergoes an amazing transformation and soon finds himself drawn to Liz; and Jesse quizzes Michael about Isabel's alien roots.
Wheelie tries to make Olie, Zowie, Billy and Pollie feel good, especially when it is shown he can't always come to the park; When Olie and Zowie cannot play they must find a rainbow, a Rolie Trolie and a pot of golden lugnuts; Olie loses his nose and chases it all around Polieville Park.
When a rampaging Dr. Cox suddenly shows up at his door in a strange funk, J.D. sees a possibility of a breakthrough in their relationship - until he learns that Cox loses control in almost an annual rite. Meanwhile, Turk elects to partner with Elliot on a research project so that he can maneuver her back with his buddy J.D., and Carla struggles to fulfill a comatose patient's final request - playing heavy metal music in his room.
Dar faces an arranged marriage according to an alliance forged by his father, King Eldar.
musical guest: Lil' Zane After reuniting with his childhood pal, Lil' Zane, T decides to leave Freestyle Unity, the band he, Kim and Stevie created, on the eve of their scheduled performance at the Spring Jam open mic night.
After an uncomfortable kiss, Maya realizes that she was wrong to get involved with Stan, and wants to stop seeing him. Stan, however, reveals that he has fallen head over heels, and refuses to give up on her. He seeks revenge by forming a friendship with Darnell and threatening to tell him about the affair. Meanwhile, William recuperates at Joan's house after being dumped by Yvonne.