In this second Carter mystery, a mysterious rash of cargo ships sinking in Panama leads insurers Llewellyns of London to hire vacationer Nick Carter and his eccentric associate Bartholomew to investigate. Nick recognizes influential nightclub owner Al Taurez as a shady operator, but getting the goods on him depends on slick diversions involving the heavyweight champ of the Pacific Tuna Fleet, a Panamanian bombshell armed with American slang, a young couple in love and a whole raft of crooks and cutthroats.

Directed by: Jacques Tourneur
Written by: Joseph Fields & William R. Lipman
Runtime: 70 minutes
Tagline: A new Nick Carter adventure!
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Cast:
Walter Pidgeon Walter Pidgeon
Nick Carter 
Donald Meek Donald Meek
Bartholomew 
Joseph Schildkraut Joseph Schildkraut
Mr. Al Taurez 
Florence Rice Florence Rice
Cora Barnes 
Nat Pendleton Nat Pendleton
'Gunboat' Jacklin 
Cecil Kellaway Cecil Kellaway
Franklin Morris