What would you do if you found out a really, really important secret?
What would you do if people were prepared to kill to stop you revealing this secret?
And what would you do if the secret was held by the US government? When journalist Helene La Borde overhears a chance conversation on a train, she becomes implicated in one of the greatest cover-ups in history. Chased from her home, her first clue about the people trying to kill her...