Behind their conservative middle-class exterior, a young couple runs a highly successful sex fantasy magazine. Ironically, to spice up their marriage, the wife responds to a fantasy ad submitted to a magazine, but her new penpal is the prime suspect in a brutal murder.
In his quest to hunt down a serial killer, Los Angeles cop Will goes undercover into the S&M underworld. Only by befriending the kinky denizens of the city's seamy side can he get close to the prime suspect.