◆ beautiful woman suspense theater! The first installment is the immoral escape of the father-in-law and the daughter-in-law! A woman, Nana, was found unconscious in the room of an inn early in the morning. Nana, who was diagnosed with a large dose of sleeping pills, had a strangulation mark on her neck. In addition, a nearby resident found a man hanging outdoors, and the two are believed to be the father-in-law and the daughter-in-law of the eldest son, and the authorities are investigating that there is a high possibility of a forced suicide. "However, there are no traces of resistance on Nana's body for some reason..." What is the truth? ?