Lisa infiltrates a convent in order to steal back Maggie who was accidentally taken in by nuns. While in the convent, Lisa uncovers a series of cryptic clues leading to a hidden jewel in Springfield. With help from resident history buffs Principal Skinner and Comic Book Guy, Lisa sets off to find the coveted prize. But Springfield's Freemasons are also hot on the trail of the jewel, and Lisa must race against them to find the jewel and rescue Maggie.
Hannah pretends to date a celebrity she can't stand to get in the news. Jackson thinks that he has to cheat on a test in school. Robby clashes with Rico.
Steve connects with his ne'er-do-well paternal grandfather, whom Stan despises for many reasons, not the least of which is that he never taught him to ride a bike. Meanwhile, Hayley must find an internship quickly, so Roger hires her to tend his bar.
Dorcas welcomes a hospitalised James' son into the post office, causing turmoil.
Amy heads into the mountains to visit a First Nations horse healer named Victor Whitetail, and leaves with a new understanding about horses, her mom and herself.
Nicki's homecoming, after a visit from her sister wives, isn't what she imagined; Barb endures a trying experience at her old church; Ted does an about-face on the casino project; Scott's reunion with Sarah doesn't go over well with her father or brother; Joey is upset by Bill's change of heart about Roman after the Greenes' latest move.
Daniel Negreanu is at the center of the action like normal as Doyle Brunson, Peter Eastgate, Barry Greenstein, Tom Dwan, David Benyamine, Ilari Sahamies, and Eli Elezra continue to battle in this $400/$800 No-Limit Hold'em cash game.
The remaining celebs must decorate a bare space into a bridal boutique and then sell 125 wedding dresses.
Sonny and Tawny's blossoming friendship turns sour when a popular gossip blogger posts the results of a poll, pitting the two teen stars against each other. Can their friendship survive when Tawny's ego takes a major blow?
Kevin and Justin take Tommy on a trip in order to help him make a decision about his future. Meanwhile, Kitty and Evan head to Nora's to meet the new half-brother.
Peter finds an old winning raffle ticket from 1989 that entitles him a golf outing with O.J. Simpson. After befriending him, Peter brings O.J. home home to meet the family. However, the people of Quahog aren't too fond of the former running back.
Emma starts doing pot to get rid of her "plain girl" image. After ingesting marijuana brownies and forgetting to take her insulin, Becca goes into a diabetic coma and has to be taken to the hospital. While in class, Emma learns that the campus cops are doing room searches. She calls Kelly to get rid of the marijuana brownies. When Kelly is leaving the room, he runs into campus cops and they find the marijuana brownies. He gets kicked out residence but is still allowed to go to school. K.C. is found to be living in a group home because of his previous life in juvie.
A narcoleptic falls asleep on the job; a biker drinks gasoline; a couple die after making love.
After Peggy finds out that she is not cool she befriends one of Arlen's most glamorous and cool moms in an effort to learn how to be cool. Bobby befriends her daughter, a girl named Michael Savage.
Iceland’s raw nature, good hearted people and vast open spaces encourage Scott and Justin to brave the elements. From Reykajavik the guys rent a 4x4 truck and hit the open roads, no matter what the conditions. They encounter a family while sheep herding, and join in to help on their way to find adventure in the ice and glaciers . Active volcanoes, ice climbing and squeezing into an underground lava tube hint towards some of the personal strength needed to continue their world adventures.
Megatron and the Decepticons focus on conquering Cybertron.