Wash, Easy, Ruby and Van Scamp all head to the volcano where the island's goddess of beauty supposedly resides and provides the secret of eternal youth, but they are cautioned men cannot observe the ceremony. Wash and Easy disguise themselves as priests and learn the method of eternal youth, but on their way out the duo are taken prisoner by Ruby and Van Scamp, who demand to learn the secret for themselves.; Wash and Easy's fight with Ruby and Van Scamp attracts the attention of the priests, who take all four prisoner and tie them to a post to be a human sacrifice to their goddess. However, at the last moment the volcano erupts and the priests and knocked senseless. Ruby and Van Scamp run, while Easy and Wash save the priests' lives. The eruption causes a tidal wave which drowns Ruby and Van Scamp to death, while Easy and Wash make a deal with the priests to purchase the yellow lava needed for eternal youth. Unfortunately, when the waves subside all of the yellow lava is found to be lost.; Papa McKee sends Wash & Easy to the tropical island of Hippa-Hula to discover the local women's secret of eternal youth. En route, Easy & Wash find themselves sharing a ship with Mortimer Squeege, who is determined to catch up with his old acquaintance Captain Van Scamp on Hippa-Hula.; As Easy & Wash find the women of Hippa-Hula truly seem to be eternally young, Squeege & Van Scamp's old comrade Ruby arrives on the island and kills Squeege over earlier squabbles. Ruby then takes Squeege's place as Van Scamp's partner.; Squeege confronts Van Scamp, but Van Scamp offers to share the secret of Hippa-Hula's eternal youth with him. When they see Easy & Wash bring aboard a trunk full of silver dollars the duo try to steal their money, but Easy stops them.