Plato's: The Movie 1980

Synopsis:

Two intrepid female reporters enter Hollywood's most exclusive club, Plato's Retreat West. Between two orgies, they try to elucidate mysterious crimes. Because an assassin would defeat his female partners with the knife after honoring them in the room fantasies.

Directed by: Joe Sherman
Written by: John Finegold
Release date: 1980-10-29
Runtime: 79 minutes
Tagline: The Legendary Palace of Pleasure Comes to Life in This Incredible Adult Exposé of Those Who Joined the Fun at the Fabulous Plato's. Filmed Entirely On Location at Plato's Retreat West. Now see what thousands have experienced!
Cast:
Seka
Seka
Buffy 
Lisa De Leeuw
Lisa De Leeuw
Cindy 
Tiffany Clark
Tiffany Clark
Brunette at Plato's 
Ashley Welles
Ashley Welles
Second Girl with Willard 
Becky Savage
Becky Savage
Dora 
Mike Ranger
Mike Ranger
Burt