Brennan and Zach investigate a small jet crash that was carrying some Chinese diplomats and a woman. At the crash site, Brennan finds some bone fragments that do not belong to any of the passengers, but might belong to a man who has been missing for five years. Although ordered to work only on the diplomats, Brennan and her team go rogue to try to discover the identity of the extra bones.
The BAU team believes a dangerous cult may be responsible for the mass murders of five college students in an empty house.
House takes the case of a man who experienced a seizure but wasn't aware it happened. When the man suffers a heart attack and needs a heart transplant, the team races to diagnose a dead woman's illness so they can harvest her heart to save their living patient.
The Unit is a covert team of U.S. Special Forces operatives who must undertake missions around the world. The latest newcomer is Bob Brown who joins Jonas' team and they set out to rescue an airliner filled with European businessmen who have been hijacked by terrorists. Meanwhile, Bob's wife Kim is struggling with how much control the Unit has on her own personal life.
The Strike Team attempts to make bail for Lem who is now in jail, but they discover that Kavanaugh has frozen their accounts. Claudette returns to work to help Dutch investigate the murder of a man who’s body was found in the dumpster. Meanwhile, Tina jeopardizes her future at the Barn after she endangers the life of an undercover detective. Corrine confronts Danny about Vic’s unfaithfulness and the identity of the baby’s father.
When Marine dog tags are found in a national forest by a group of teens, the NCIS team is called in to investigate. While searching for the campsite of the Marine, the team finds out that there was another person, possibly a woman, with him. The investigation takes them to an even more higher discovery -- there could be a serial killer killing women in the national forest.
Shirley covertly asks Alan for help when nude photographs of her surface for auction. Paul sends Brad in undercover when he suspects his daughter is once again using drugs, and Denny is inspired by a case involving self-defense electrocution.
Despite being voted Restaurant of the Year by Blackpool's tourist board, Clubway 41 is in dire straits. Owners David and Dawn are breaking every rule in the book, and Gordon has his work cut out getting a demoralised team back on track.
Jim makes his own neighbour cry with complaining about his backyard barbeque, so he ends up taking polite lessons from Andy, in order to become a better person.
Jim believes that Bill, the father of one of Rubys and Gracies classmates is actually his real father that abandoned Jim when he was a child.
J.D. and Dr. Cox go through the five stages of grief with their favorite patient, who is declining in health. Carla forces Turk to go on a string of double dates, including Elliot and her booty call Keith. Elsewhere, Dr. Kelso hits Ted with his car, thus Ted finally has the upper hand with a potential lawsuit.
Joey is starting to act weird around Alex, because she is still going out with Dean. His action figure also arrives, it has a few flaws though. Gina thinks that she's pregnant.
After Carrie accidentally injures Doug, he milks it to avoid distasteful tasks. Meanwhile, Arthur catches on to the ruse, and uses it to his advantage.
Mimi Tran and Bob Stupak make their debut on High Stakes Poker as Daniel Negreanu looks to mount a comeback. Todd Brunson also joins the game that already has Sammy Farha, Johnny Chan, Dr. Amir Nasseri, and Freddy Deeb in action.
The candidates challenge New Yorkers to text message on their mobile phones.
Jack takes Henderson to CTU for questioning. Once there, he faces an unhappy reunion with his daughter, Kim. Mike appeals to Martha for help as Logan faces pressure from his Vice-President to declare martial law on L.A. Lynn connects the theft of his keycard to an impending strike on CTU, but his warning comes too late to stop a terrorist from infiltrating the building.
Jack interrogates Henderson's wife about her husband's connection to the terrorists. Lynn begs his sister to return his stolen keycard, while Tony regains consciousness and learns of Michelle's fate. Martha gives Logan the cold shoulder, while Curtis tracks another nerve gas attack to a local hospital.
Allisons helps the District Attorney trying to find a missing brother of a close friend. She becomes paranoid about antiterrorist agents from the government. Joe gets uneasy when he suspects that Bridget might be communicating with a dead author.
Things are going great with Ted and Victoria's relationship, but when Victoria is offered her dream job, the couple have to make serious relationship decisions. Meanwhile Marshall and Lily set out to purchase their wedding outfits and find out that none can afford what they bought.