George Harland and his daughter Pat are photographers who discover a wild boy in the jungle. When Pat becomes lost, Bomba brings her back, overcoming plagues of locusts, forest fires and fierce wild animals.

When a mysterious figure appears to cause a series of disruptions at the Frisbie Home in New York, word goes out to Scotland Yard that the Fuzz-Faced Phantom is at work. Soon, Charley MacNeesha and his assistant MacGregor are sent across the ocean to investigate.

John Mason returns to the Sally Ann mine to claim his half share. Janet Cater also returns although her father lost his half share to Joe Ryan. Ryan and his gang are also there to get the gold. A mysterious Phantom is also present. Mason's plan to expose Ryan as an outlaw and to force him to turn his share to Janet works. But when distracted by the Phantom, John is made a prisoner by the gang.