First-class travel has never been so treacherous! A Transatlantic voyage proves deadly when Mrs. Xavier Stayton and her loyal friend, Lucy, journey aboard the famed RMS Olivia. Jewel thieves, stowaways and fierce storms are the least of Mrs. X’s concerns when another passenger is killed in the neighboring cabin. One clue leads to another, until Mrs. X is convinced that she’s solved the dastardly crime. As a mighty storm assaults the luxury liner, will our heroine’s theory sink or swim?