Francis comes home from Marlin Academy for a visit and both Malcolm and Reese think it'll fun to have some quality time with him. However, both brothers will find themselves in competition with each other when they learn that Francis has bought only two tickets for a wrestling match up.
Meanwhile, Craig has appointed Dewey to take care of his beloved pet cat, Jellybean, while he's gone for the weekend at a comic expo. However, things go awry when he tries to give Jellybean, his usual medication and has enlisted Hal in a futile attempt to find Jellybean and bring him back to Craig's house. When Craig calls, during the filing of the missing cat report, Hal poses as Jellybean so he doesn't suspect that his cat is missing.
At the Wilkerson house, the competition between Reese and Malcolm worsens. Reese gives Francis a grooming treatment, when Malcolm shows up with his finished papers, indicating that Francis will pass with a C and allow him to goof off during the semester. Jealous, Reese does everything in his power to get Malcolm grounded so he can't go the the wrestling match. Eventually, Francis decides to tell them that he decided to bring a girl to the match up instead. This angers Malcolm and Reese as they plot their revenge against him.
At Craig's house, Hal has bought some sleeping pills and has put them in Jellybean's bowl in an attempt to catch him. Instead, he ends up having the other cats sleeping in Craig's apartment and Dewey suggests they bring Lois in. When she arrives, she was angry at the fact that Hal didn't call her when he and Dewey needed. Lois sets the house on fire which scare away the other cats and Jellybean comes home. Hal tries to put his sleeping pills in the cat's bowl, but Lois decides to pick him up instead.
On the way to the wrestling match up, Francis and his date are pulled over by a cop who demands for his license and registration because he got a report that the car was stolen. Francis tries to find his driver's license, only to discover that it's gone and the only thing left in his wallet is a note indicating it's going to be musch worse. Then, the officer hear movement coming from the trunk of the car and orders him to open the trunk. Francis does and when the officer finds Malcolm and Reese gagged and tied with rope. He gets furious and arrests Francis immediately.
At the Wilkerson house, Lois was furious that Francis got arrested and went to the police station to retrive her boys. After that, she punishes both Resse and Malcolm for getting him arrested by forcing them to serve Craig and Jellybean as their house guest.