A bold kidnapping aboard an ocean liner sends detective Isaac Bell across America in a deadly game of cat and mouse . . Leaving England aboard the liner Mauretania, Isaac Bell, chief investigator at the legendary Van Dorn Detective Agency, stumbles on and thwarts a kidnapping. The two victims, who have fled Europe carrying a secret invention, fear that a foreign power wishes to steal it before they can bring it to America. Bell and the Van Dorn Agency offer to protect them.And it isn't long before Bell is fighting skulduggery in the middle of the Atlantic. In New York City, as well as across the country as they head for California, the deadly chase is on.