A male body was found in a hotel in S city. Middle-aged, local. Occupation: private enterprise owner. Married, the wife is a full-time housewife, the relationship between the couple is average, and they have a daughter who is in junior high school. It was found that he had a mistress.
So, it was a love killing? Vendetta? Or commit suicide? A police investigation was launched, but to no avail. At this time, a private detective appears, his name is 'Gardenia'
Purpose: Detection