Hero Detective Nick

Vol.1 chapter 4 : case file.4
Vol.1 chapter 3 : case file.3
Vol.1 chapter 5 : case file.5
Vol.1 chapter 3 : case file.3
Vol.1 chapter 5 : case file.5
Nick Spade is a detective in a city where super heroes exist. However, his work consists of walking dogs and investigating cheating cases. One day, a former well-known super villain becomes a prospective client of his. What request would a super villain make to an ordinary detective?