In July 2010, Lonnie Franklin Jr. was arrested. According to the indictment, he was the notorious murderer 'The Grim Sleeper ", a serial killer who has been active for 25 years and may have made more than 100 victims. Lonnie's arrest was not so much the result of careful research, but a pure fluke. As a real thriller Tales of the Grim Sleeper tries to figure out in a compelling way what exactly happened and who played which role. A stark, poignant and surprising story.