The episode starts with Finn wearing Jake as the "Jakesuit," smashing around the Tree Fort and letting BMO attack him as hard as it can, not realizing that he is causing Jake pain. Finn then jumps off the roof and lands crotch first on a fence, causing Jake to spit out Finn. BMO comes outside and hits Jake one last time before the screen goes black and the scene goes to Finn playing BMO on the couch. Jake has a red lower body as he limps onto the couch to lie down. As Jake recovers, he chastises Finn while Finn tells him pain is easy to take. Jake challenges this by shrinking down, hopping into Finn's body and taking control of it to wear him like a suit until he admits that pain isn't fun. Unfortunately, Jake is not as "graceful" as Finn and can't control his body well enough to physically hurt him. Instead, he gets Dream Journal of a Boring Man, Vol. 12 to make Finn read it, hoping to torture him with boredom; however, the plan backfires as Jake falls asleep reading the book while Finn becomes enthralled with it. After Jake wakes up they get hungry and Finn offers a truce so Jake can make them lunch. Finn recommends that Jake use this as an opportunity to cause Finn pain. Jake makes a delicious meatloaf, Finn's favorite food. Jake eats it all himself to get Finn to admit he's wrong, but Finn is completely undeterred.
Finn's Special Occasion Phone suddenly rings and Finn notices that Flame Princess is calling. Finn says that he is not going to answer because Jake might embarrass him, which gives Jake the idea to do so. Jake forces Finn to waddle over to Flame Princess's house, where she has invited the "less evil" members of her family to meet Finn over dinner. Jake then forces Finn to take off his clothes, stick the dining cloth in his underwear while Jake singsFinn's baby song in a high-pitched voice. Flame Princess and her family are aghast at this until Flame Princess sees that Jake is controlling Finn and learns of the bet. She wishes Finn the