Sheila Bennet returns to New York from Cuba carrying $40,000 worth of smuggled diamonds - and smallpox, which could start a devastating epidemic in the unprotected city. Treasury agent Johnson loses her but keeps doggedly on the trail, while Public Health
Society sleuths Nick and Nora Charles investigate a murder aboard a floating casino.
Nick and Nora Charles are attending a charity benefit aboard a gambling ship.
After a murder occurs, suspicion falls on Phil Brant, who had argued with the victim earlier
