Follow the journey of an extraordinary young girl as she evades the relentless pursuit of an off-book CIA agent and tries to unearth the truth behind who she is.

Former British soldier Jonathan Pine navigates the shadowy recesses of Whitehall and Washington where an unholy alliance operates between the intelligence community and the secret arms trade. To infiltrate the inner circle of lethal arms dealer Richard Onslow Roper, Pine must himself become a criminal.