James Ericsson is an agent for Sentinel, an organisation which deals in counter-terrorism, espionage and special security. Through a chance encounter he meets Natalya Sylvane, a woodland guide with unusual green eyes who possesses an ancient, hereditary secret. Together they discover a connection that neither of them ever expected. But Natalya is being hunted by a man named Marcus De Guerre. A man with his own terrifying secrets. He and his brethren have been searching for her kind for hundreds of years and now he is on Sentinels radar. James will have to use all the skills he possesses to protect her from the most dangerous enemy he has faced. With the help of his team, can he save Natalya, the only person who's gifts can prevent the genocide of hundreds of thousands of people?