Wealthy eccentric Sir Vincent Brampton and his fiancée Linda Latham hire Ken Duffield to lead them on a jungle hunt. Duffield is looking for the murderer of his son; he gets the killer and Linda.

It is the end of the 18th century and smuggling is considered to be a legitimate spare-time occupation for most fishermen around the British shores. But when a gang of cut-throats, led by the infamous Black John (Bernard Lee) begins to lure ships onto the rocks of Smugglers Bay, and murdering their crews for the sake of loot, the fishermen begin to fear for their livelihoods. In desperation, they appeal to the local magistrate Squire Trevenyan (Peter Cushing).

Steve Stratton (Macdonald Carey) is a hardboiled hunter who catches and keeps wild animals in an African sanctuary in order to sell them to zoos and circuses. When he hires a new veterinarian named "P.J. Muir," he does not imagine that the "P" stands for Pamela, played by the gorgeous Rhonda Fleming!

Game warden Bob Payton tracks an ivory smuggling ring through some of the most treacherous passages of the African veldt.