She is the only one who truly sees him.Which makes her his greatest threat.Black ops undercover agent Tane Temauri - code name Vapor - has made it his life's mission to stay out of sight. Given the dangers inherent in his job, the last thing he can afford is to step into the open and become a target. Again.Then a letter from a mysterious stranger changes everything. Although the letter was not meant for him, somehow, on a greater, cosmic scale, it feels as though it is.But answering it will make Tane vulnerable.How can he emerge from the shadows to risk everything for a woman he has never met?If he does, more than his heart could be on the line. So could his life.And hers.