Beach blanket bingo: A motorcycle gang led by Eric Von Zipper kidnaps singing star Sugar Kane. She is managed by Bullets, who hires sky-diving surfers Steve and Bonnie from Big Drop for a publicity stunt. With the usual gang of kids and a mermaid named Lorelei. How to stuff a wild bikini: Frankie is away on naval-reserve duty in Tahiti and doesn't trust Dee Dee to stay faithful, so he hires Bwana, a witch doctor, to help. Bwana conjures up a floating bikini and "stuffs" it with Cassandra, and sends her to distract advertising executive Ricky from Dee Dee.