Zack, Cody, and Marcus write a song for Jordin Sparks, who is performing at the S.S. Tipton, but Mr. Moseby doesn't want them anywhere near the singer and Marcus tries to avoid Jordin, who used to be acquainted with her during his time as a celebrity. Jordin performs the song that Zack, Cody, and Marcus have wrote; during the performance, Jordin and Marcus get reacquainted again and the two agree to stay in touch again. Jordin plans on using their song for her next album and she donates the money to charity, much to Zack's dismay. Meanwhile, London invites her biggest fan, Alyssa to spend time with her, but her number one fan becomes very overbearing and she tries to steal London's life. Bailey helps London get rid of Alyssa, but she takes over Mr. Moseby's life.
—dawsonpersi