With Sue now in high school with Axl - who is totally embarrassed by her presence - Axl decides to play a mischievous trick on her, which earns his perfectionist sister a number of tardy slips. Meanwhile, Mike sets a meeting with Brick's new fourth grade teacher, Mr. Wilkerson (Chord Overstreet, "Glee"), after learning that he's allowing his son to skip gym; and Frankie and Mike bicker over which one of them is really the boss of the family