While reading the Odyssey, Ian discovers notes about how to escape Tower Prep, written by a former student named Norman. While on his quest, Ian encounters students similar to the creatures in the book. It is later revealed Ian is not supposed to escape, but find out what Tower Prep is all about from within the school.
President Martinez reacts to the knowledge of who betrayed him within his administration. Meanwhile, after revealing her plan for the Sleepers' future, Sophia learns of dissension among her people. She sets a trap for the perpetrators and acts decisively to quell any future mutiny. Elsewhere, Sean and Leila try to unravel the mystery of Samantha's kidnapping, while evading Dempsey's nefarious clutches.
When Mike's overbearing mother buys Molly a new hat as a gesture of goodwill, Molly feels obliged to invite her to spend Thanksgiving with her family.
Worried about what people may say about her life, Miranda decides to try and do some good.
Buddy makes an elaborate chocolate cake for a couple's anniversary, which includes ingredients consisting of Hershey's products. Carlo's Bakery celebrates their 100th anniversary since its opening in 1910 with a street party, complete with a huge "timeline" cake outlining its history. Buddy shows his bakers a huge warehouse he has leased, which will play a role in the bakery's future.
When Mordecai and Rigby make a fake band, they accidentally enter for a live performance, even though they haven't a clue how to play any instruments.
Finn is captured by gnomes who want to use his energy to power their infernal machines, and it's up to Jake to stay focused and rescue him.
Mickey and the gang help Pete get in shape by Mousekersizing.
When Ted leaves the bar early to prepare a Thanksgiving feast for his friends, the gang winds up partying all night with The Blitz, an old friend from college who has bad luck. As a result Ted is forced to spend Thanksgiving with Zoey.
Chuck, Sarah, Casey and Morgan venture into the jungles of Southeast Asia when The Belgian attempts to unravel the secrets of the Intersect. Meanwhile, Captain Awesome and Ellie try to decipher a secret left behind by her father.
Science and faith are called into question when a patient is admitted to the hospital following his reenactment of the Crucifixion. Meanwhile, Taub questions his wife about her relationship with an infidelity support group member, and the team attends a co-worker's wedding.
When the gang mistakenly believe Don might be seriously ill, he continues the lie.
Lightman tries to help a woman with early-onset Alzheimer's piece together her fragmented memories, but it uncovers a deadly secret.
Five-0 is baffled when a highly skilled ring of thieves pulls off a heist of an armored car, killing two security guards but leaving the money behind. Their only lead in the case requires Danny to reluctantly ask his ex-wife for a favor.
When Charlie's ex-girlfriend Courtney is released from prison, he treats her to the good life despite her having been in prison for conning him.
Frankie, a young soldier on trial, starts the long walk back up to his courtroom to learn the decision of the jury. A frightening series of events led him to this place, but does the jury know the full story?
A sniper takes siege of Fitzpatrick Motors. Larry is convinced Fitz's cowardice in withholding his syphilis diagnosis from his sexual partners has brought this upon them. But as Fitz points out, it could be any one of the hundreds of people who want him dead. Ali meanwhile tries to get over bad boy Fitz by dating milquetoast Chester Vince. As the Fitz Motors team narrows down the possible shooter, Josh concludes its Kara. They call Ali to negotiate with the suspect. But the real hero turns out to be Chester, who makes sure Kara isn't tried as an adult. Larry urges Fitz to disclose his STD to Ali. But in outing their relationship to Chester, he ruins Ali's chance of happiness with a good guy once and for all...