Danny and Ron Orlis in the Sacred Cave

Danny and Ron Orlis drive to Zongolica, Mexico, to deliver a station wagon to the mission station where Kay's mother and Aunt Mabel serve as missionaries. Once there, they find themselves searching in the jungle for a lost ancient sacred cave. Dangers assault them from snakes, thieves, the swamp, and ... . What does the future hold for their new friends Newton and Miguel? How will they survive? How will God protect them?