Joey is unsatisfied with ordinary sex and has been seeking sexual fulfillment outside his marriage, as his wife Angela dislikes deviant acts. One day, after confiding in a sex partner about his marital issues, he is introduced to a secret club called Dark Room. Meanwhile, Angela's coworker Suzie strangely urges her to follow Joey's movements. That night, Angela tails Joey by car and eventually arrives at the Dark Room. Inside awaits the intense excitement he has been craving—but will she discover the truth?