A neighbor couple is always openly making out in the hallway of their apartment. - A single man falls into the illusion of being made fun of by seeing him act so carelessly, as if he is ignoring his own existence, and decides to vent his sorrows with sex toys he found on the internet. - "You're getting sleepy... 3...2...1..." The stimulant effect is more than he imagined, and a man comes up with the idea of turning a married woman into a sex slave. - And his desire escalates further and he begins to brainwash and control both husband and wife...