"Lincoln and Hudson Dupre̓ are ready for their summer holiday at the coast. The ocean is perfect for their imagined escapades, but when their dad cuts their trip short, it seems like the end of Link and Hud's aquatic adventures until they run into the ultra-competitive Donaldson brothers, who are on the local swimming team. The Sharks and Coach Strickler will do anything to win and they're not particularly welcoming. Well, if Link and Hud can't join...