Private Detective Story Rudy is an undercover detective specializing on stalking a certain noble. When they were kids, he quickly agreed to become Elise’s “detective” on the assumption that detectives were people being relied on. How right he was –  because Elise’s seeks for his assistance in almost everything, and her orders mainly involve investigating Albert who is Rudy’s older brother! Albert is good looking, skillful, and wealthy. A lot of women fall for him, including Elise. But not everyone is the same as what they appear. There are rumors about the eldest son of a wealthy family sneaking out and having fun at night. Albert seems to be hiding something and it’s up to Rudy to find out what it is!