Someone, or something, is haunting the Titanic.

This is the only way to explain the series of misfortunes that have plagued the passengers of the ship from the moment they set sail: mysterious disappearances, sudden deaths. Now suspended in an eerie, unsettling twilight zone during the four days of the liner’s illustrious maiden voyage, a number of the passengers – including millionaires Madeleine Astor and Benjamin Guggenheim, the maid Annie Hebbley and Mark Fletcher – are convinced that something sinister is going on . . . And then, as the world knows, disaster strikes.

Years later and the world is at war. And a survivor of that fateful night, Annie, is working as a nurse on the sixth voyage of the Titanic’s sister ship, the Britannic, now refitted as a hospital ship. Plagued by the demons of her doomed first and near fatal journey across the Atlantic, Annie…