The Cupcake Club comes to Katieās defense when a surprise at school leads to unfair gossip.
When Katieās mom says itās time for Katie to meet her new boyfriend, Katie is excited and nervous. She thinks sheās prepared, but sheās shocked instead. Her momās boyfriend is Jeff Greenāas in Mr. Green, a math teacher in her grade! Katie tries to act as normal as possible, but when mean girl Olivia finds out, she tells everyone that Katie is getting special treatment because her mom is dating a teacher. How can Katie stop Olivia and deal with all the new events in her life? Itās the Cupcake Club to the rescue, as Katieās friends come to her defense, including an unexpected ally.