Zack enlists the help of Screech in the bugging of Jessie's room when she invites Lisa, Kelly, and some friends over for a slumber party, with the hopes of finding out who Kelly plans on asking to an upcoming dance. When the girls find out what Zack did, they decide to get even.

When Zack learns that Slater's father has the opportunity to get stationed to a base in Hawaii, he begins to plot a way to get Slater to agree to move to Hawaii instead of staying at Bayside.