Who is Grayson Evans?

Newly engaged Hannah Reams is on the road to her perfect career in metropolitan New York city, when the sudden death of her mother turns everything on its head. A mysterious visit from her mother's lawyer leaves her with a ticket to Sydney, Australia and a single name: "Grayson Evans." As everything about her previous existence begins to unravel, Hannah makes the trip to Sydney to get to the bottom of her mother's former life and her connection to the mysterious Grayson. What she discovers upon arrival is that not only was her mother a completely different woman to the one she knew, but now there are people trying to kill her. Hunted by a criminal underground and ASIO, the Australian intelligence agency, can she uncover the truth of her own heritage and importance before the escalating death and deception catches up with her?