Kurt, a rock-musician and the twins father, comes to the Tipton Hotel for a visit. Kurt will allow Zack and Cody do things that Carey would not approve of them doing. Zack decides to leave the Tipton when he gets in an argument with his mother about his homework, by stowing himself in his father's tour bus.

Zack, Cody, and the entire gang get snowed in at the Tipton. Maddie rigs a "secret santa" bowl so that London will get her a gift.

Cody, is having difficulty dealing with the fact that Carey has a new boyfriend. But, Zack and Kurt do not have a problem with him because he is rich. London joins Maddie's volleyball team and ends up being rather good- but only when she is mad.

Cody is graduating from 8th grade as class valedictorian. But Zack is horrified to learn that he has to attend summer school and tries to hide it from his parents. Meanwhile, Maddie becomes a camp counselor at a run down facility with less than ideal girls under her wing.

Zack and Cody each invite a girl over to their dad's empty apartment. Meanwhile, London teaches Esteban how to act rich because his family has seized power in his native country.