Gjengen på en kaotisk SFO får sjokk når den knallharde baselederen Frank ankommer, og Theo gjør alt han kan for å teste om han har humor.
Neema suspects that the new base manager, Frank, is a dangerous criminal who has turned the neighbor's cat into dinner, so she begins hunting for evidence.
Frank is teaching a self-defense class for the whole group, but is it Frank who needs to be defended against himself?
Peter and Theo want to earn back the thousand-kroner bill Frank confiscated, while Linnea and Neema discover what Monica's new walkie-talkie can be used for.
Neema locks the gang inside her secret emergency stockpile, while Frank and Amir lose track of everything else as they work on their welding project.
Linnea is doing everything she can to get Theo to think about love, but Theo is more preoccupied with a mysterious box that has appeared in the closet.
Amir goes to extreme lengths to hide so he can sleep on the job, but when Peter is out on a flea market treasure hunt at the same time, a full-blown panic ensues as the search for four missing children begins.
Linnea causes total chaos in an effort to earn enough points for Chicken Friday, but Frank takes over the entire system and turns the kids into his personal servants.
When Amir sneaks off to write a song, the kids get their hands on the piping-hot glue gun.
Theo is an extremely bad loser, so Monica demands that everyone let him win. Frank refuses to go along with this and challenges Theo to a duel.
Frank does everything he can to hide his cute little dog at after-school care, while Peter and Theo try to teach Amir everything about driving.
Frank promises to eat his sock if the kids manage to scare him, but Neema is sure that even the toughest person is afraid of something.
Linnea hatches a cunning plan to be discovered as a pop star, while Peter and Theo discover the lost-and-found box.
Theo will do anything to get a chance to shoot with Frank's big bow and arrow on activity day, while Monica resorts to desperate tricks to lure everyone over to her.