This is the second book in the Neptune King series. It starts with our heroes, Neptune King and Shark Johnson starting the New Year full of optimism at the success of King's Investigations. Once again the team tackles a variety of cases with Shark complicating matters by risking his and the agency's reputation by stepping over the line of the Agent-Client relationship during his body guarding of their first client, the volatile Dr. Valerie Henderson, who is being threatened by an anonymous letter writer in The Desperate Doctor. Neptune's detective skills are challenged in The Perfect Murder, where a woman with an unusual medical condition dies of presumed of natural causes. He proves otherwise and as a side bar encounters The Scourge of London, a serial killer murdering young women with Rachel as his next target. The next client to walk through their door captures their interest immediately as he dramatically announces that he fears he is engaged to The Angel of Death. This was the name dubbed on the unfortunate Lucy Hancock, a young Irish girl accused of murdering her entire family and fleeing Dublin.