A group of communist spies plan to blow up an essential commercial artery, the Panama Canal. To this end, they have kidnapped a nuclear scientist and are traveling by steamship to the coast of South America. Luckily for western civilization, the hard-nosed ship's captain, played by Barton MacLane, has other ideas.
Setting off from Vilna to spend his last days in the Holy Land, an arrogant old man spurns the youngest of his three daughters and leaves his fortune in the wrong hands.
Kirby, Davis and Drover escort the wanted criminal Rene Carvel from central Africa to the coast, stopping every so often to watch wild animals attack one another.
