As Greg and Em try to resolve the tension over Em's book, the Butler House prepares for Brad and Nadia's wedding.

Greg spies an older boy eating Chloe's lunch and instantly concludes his daughter is being bullied. Greg's determined to seek justice, bringing him into direct conflict with perfect parent, Luna Keys.

Greg's on a mission to procure the most prizes for the school's trivia night and outshine Luna in the process, but when he also has to deal with a sleep-deprived child, his mission seems impossible.