A private detective foils the plans of villains attempting to take over Panamanian oil fields while he searches for a valuable map hidden in plain sight.

In a racially mixed American town, a five-year-old black girl falls unnoticed into a hidden, forgotten well on her way to school. Having nothing better to go on, the police follow up a report that the child was seen with a white stranger, and rumors run wild. Before hapless, innocent Claude Packard is even found, popular hysteria has him tried and convicted. But is he guilty?