Julie, an American on vacation in Mexico, spots a giant, one-eyed amoeba rising from the ocean, but when she tries to tell the authorities, no one believes her. She finally teams up with a marine biologist in an attempt to destroy it.
A former prisoner of war, Frank Enley is hailed as a hero in his California town. However, Frank has a shameful secret that comes back to haunt him when fellow survivor Joe Parkson emerges, intent on making Frank pay for his past deeds.
Prince Ali wants the Golden Idol of Watusi and hires a ruthless hunter to get it for him. Bomba has the idol and, with the help of Commissioner Barnes, Eli, and a beautiful archeologist, he foils Ali's plans.
