A woman that during the daytime is an insignificant librarian, at night becomes a fascinating mysterious dark lady. She uses the personal advertisements on the newspapers to obtain appointments with men then kills them. These murders last until the wife of one victim decides to investigate. Written by Paola Vaccari
| Directing | Steven Hilliard Stern | Director |
| Writing | George Franklin | Teleplay |
| Writing | Brad Whiting Jr. | Teleplay |
| Writing | Brad Whiting Jr. | Story |
| Writing | Arlene Sanford | Story |
| Production | Steven Hilliard Stern | Producer |
| Sound | Ken Thorne | Music |
| Camera | Frank Tidy | Director of Photography |
| Editing | Barrett Taylor | Editor |
| Art | Tony Hall | Art Direction |
| Art | Carol Lavoie | Set Decoration |
| Costume & Make-Up | Linda Kemp | Costume Design |
