A very interesting spin on the Jekyll and Hyde story. Even realizing that this is the first book in a series, I think the characters could have been developed a little better. Mitch and Eden's relationship evolved rather stutteringly. Eden's seemingly tough exterior came off so awkward as she kept demanding that Mitch help her even though he really did not owe her anything. Mitch's attraction to Chastity during their one-night stand was confusing after he decided it was really Eden that he wanted, the two being complete opposites of each other. Despite the character inconsistencies, the underlying plot itself is interesting enough to keep reading to see where this all leads.