The world’s best assassin is on the hunt, all the while pursued by SIAO officer, Marshall General Andrew Simmons, as well as another relentless killer known as the Vixen. Encompassing an array of other enigmatic and powerful characters, each with their own motivations, this fast-paced, action thriller, spiritual noir, sweeps across remarkable locations in London, Lisbon, Zurich and Asia as several worlds collide in a tumultuous climax.