The story begins with the discovery of a young woman's body. Karen Webster, a 22-year old copywriter is found strangled. This is the second body discovered in just a week.
Circumstances surrounding the murders are similar.
It's possible this is the work of a serial killer. The detectives are pressured to find the killer before he strikes again. Police learn that someone had called and sent unwanted email to Karen Webster. Apparently, she met the mystery emailer in a chat room. Police use email addresses to track down Karen's friends, who also happen to be regulars in the same chat room.