Being a psychic who has visions has made Eden McGill an oddity in her family. Her glamorous twin sisters overshadow and bully her due to her strange talent.
Dirk McSwain's father committed suicide when the stock market crashed in 1929, leaving Dirk as the man of the house. His home in New Orleans is in danger of foreclosure and he hocks some property to pay for passage on the Queen Mary hoping to win big at the gaming tables.
When the man who Dirk beats at cards dies mysteriously, Dirk and the psychic sister must team up to solve the case before the ship sails into Southampton and all the suspects disembark.