Julian's line of work means that Daisy's life is ... complicated. And things don't become any easier when she falls hard for the beautiful and emotionally unavailable Christian Hemmes, who also happens to be one of the few men in London who doesn't answer to Julian. Christian's life is no walk in the park, either, since he's in love with his best friend's girlfriend ... He's happy enough to use Daisy to throw off the scent of his true affections - until she starts to infiltrate those too. As their romance blossoms into something neither were anticipating, Daisy, Christian, and Julian must come to terms with the fact that in this life everything comes at a price. As their relationships intersect and tangle, they all learn that sometimes life's most worthwhile pursuits can only be paid in blood.