Complete Sex Investigation

In 1929, Professor Edgar in the United States wanted to understand the mysteries of sex, so he started scientific research with financial aid. A group of men conducted quite avant-garde sexual discussions, and two women took shorthand notes. He strictly prohibited everyone from flirting or joking, everything was serious and scientific, but in the end he still couldn't control the effects of hormones in everyone's body, so the emotions were stirred and the temperature of sex increased. Soon, actions replaced empty talk, the situation was reversed, and he became the subject of his own experiment. Will the exploration of spirit and desire come to a conclusion?