A rather dumb example of porno chic, pretty to look at, but an empty story of empty characters. A voice-over at the end mocks the viewer, explaining away the parody-title as simply because "she bites".
Amber Lynn plays the lead character Rita, portrayed as a nymphomaniac who uses her wiles to easily seduce men, beginning with Randy Paul, who has a good time humping her at the beginning of the movie, but then must put up with her sarcasm and mean-spirited parting jibes, as she likes to hit and run when it comes to sex.
She next seduces straitlaced Eric Edwards as a pickup on the street, but it's later revealed that it's mere role-playing -they know each other.
In fact Rita is an old friend of Eric's wife Molly, played by beautiful Siobhan Hunter, and Eric is quite blase about cheating on her. That later is underscored by the three of them having a 3-way together.
Typical of a stupid screenplay attributed to John Fredericks, Randy Paul finds a business card for a sex therapist named Helen which Rita accidentally drops when she rushes out of his bedroom to her next liaison. Helen, well-played by busty Lesie Winston, turns out to be a central character who even narrates later on, and has Rita as a client. Randy visits her and has sex, merely sneaking up on her while she masturbates in her office.
Eric's co-worker Randy West doesn't go in for casual sex, so Rita marks him as a challenge and easily seduces him too. Result is that the two of them supposedly fall in love, which doesn't please Helen as she presumably is losing a client, namely sex-crazed Rita.
Video ends with a sex highlights montage, just to pad the running time with already-seen footage.
Who are they kidding?