Someone - or something - is haunting the Titanic. Deaths and disappearances have plagued the vast liner from the moment she began her maiden voyage on 10 April 1912. Four days later, caught in what feels like an eerie, unsettling twilight zone, some passengers - including millionaire Madeleine Astor and maid Annie Hebbley - are convinced that something sinister is afoot. And then disaster strikes ... A heart-stopping supernatural thriller.