The four sons of Katie Elder reunite in their hometown of Clearwater, Texas for her funeral and discover that the family ranch is now in the hands of Morgan Hastings, a corrupt businessman who wants to exploit the area around the town.
Chad Gates has just been discharged from the Army, and is happy to be back in Hawaii with his surf-board, his beach buddies and his girlfriend.
Mike Windgren works on a boat in Acapulco, but when the bratty daughter of the boat owner gets him fired, Mike finds new work as a lifeguard and singer at a local hotel. Tensions increase when Mike runs into the rival lifeguard—who is also the champion diver of Mexico.
