A young stage hopeful is murdered and suspicion falls on her mentor, a Broadway producer.
A young husband leaves his river shantyboat community in Pecan Point, Tennessee and travels to New Orleans in search of his runaway wife.
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.
