When Halloran, an American newspaperman on the strategic island of Santa Teresa, dies in a strange accident, Phil Stark, a newcomer, steps into his place. Stark must track down traces of Halloran's last big story, the one he died before completing, while dealing with suspicions of his own activities. There's the smooth local policeman, the American businessman, Stark's competitor for news scoops, the Spanish sympathizer with the Nazis, and the ever-present threat of U-Boat attacks on the oil tanker convoys that form and leave from the local port. Andwhatever Stark is doing, he has no one he can trust...