It's the last and most important weekend of the year on the beach in the Californian surfer's paradise of Santa Monica. There are wild parties, hot flirtations and, as every year, a unique surfing competition. Young Allie is not interested in the competition, but for her brother Reef, the leader of the Lowks gang, it means everything. He lives for surfing and being crowned king of the beach is his top priority. This year, Reef is challenged by the charismatic Nick, who has his eye on his sister Allie of all people on the eve of the competition. A big mistake...