Johnny Kapahala, also a teenaged snowboarding winner from Vermont, yields for the wedding of the comic -- his grandfather and to capture a Kauai waves that are famous. If Johnny arrives, he matches with his new family including"Uncle Chris" (that the 12-year-old son of the newest step grandmother ) who adores the upcoming union. Chris's only interest is to become part of a mountain biking crew headed by a teenaged bully. They are embroiled in a turf war with a rival shopowner who wishes to shut down their business, when Johnny's grandfather along with his brand new wife open a surf shop which also suits mountain boarders.