Directed by Paul Guilfoyle | Starring: Barton MacLane, Virginia Grey, Leif Erickson, Peter Coe

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.