The ship makes its way to Hippa-Hula, where the mysterious Mr. Squeege demands they land at night. Easy and Wash stay at the Golden Palace hotel, which is also where a Mr. Van Scamp is staying. Van Scamp is the object of much interest by Squeege. Van Scamp negotiates to tell Squeege the secret of the Hippa-Hula women's long-lived beauty in order to save his life.; Wash and Easy try to find the secret of the island's women's beauty. Meanwhile Francis Ruby, who had been a partner of Squeege and Van Scamp, before the latter framed him and had him sent to prison, arrives on Hippa-Hula.; Ruby and Van Scamp follow the disguised Wash and Easy before discovering they've been tricked. The four fight it out before the real Holy Men break in and capture them. They are sentenced to death, but during the ceremony the volcano erupts and all scatter for safety. Wash and Easy rescue two of the Holy Men who have been overcome by fumes. When they get back to their hotel, they find it was demolished by a tidal wave. Later the Holy Men decide to give Easy and Wash the beauty secret, only to find that a crucial ingredient was destroyed by the volcano's eruption.; After shooting Squeege, Ruby demands that Van Scamp get the Hippa-Hula beauty secret from his wife. His wife refuses and Ruby is about to kill Van Scamp when the hotel proprietor offers to sell Van Scamp the beauty secret for $10,000. Meanwhile, Wash and Easy learn that the beauty secret is part of the island's religion and the women all make a pilgrimage to the top of the volcano once a year.; Ruby gets the hotel proprietor to admit the beauty secret he sold them was a fake. He gives them a map to a back trail up the volcano, where the secret is guarded by "monsters." Meanwhile the volcano is acting up and the island's women go to the crater to preform rituals to quiet the rumblings. Ruby and Van Scamp and Wash and Easy all get to back trail of the volcano at the same time. Wash and Easy disguise themselves as Holy Men and learn the real Hippa-Hula beauty secret.; After being scared by a classmate, Fauntly Gilroy bets he can make any man in town run just as easily--even if the man is Captain Easy. Gilroy fixes up a mountain lodge with trap doors and other house of horrors material and hires actors to play parts in the scheme. Gilroy and his friend take Easy to the cabin on a rainy night, then leave him stranded. To complicate matters, two real escaped convicts come to the cabin, which had been their old hideout.; Wash and Easy are sent by McKee Industries to the remote South Seas island of Hippa-Hula, to find out the secret of how the women there preserve their beauty. At Singapore they board a sailing ship, which also has a passenger bound for Hippa-Hula for the same reason they are.