Former FBI agent John Douglas, the inventor of criminal profiling, leads a journey into the minds of the 20th Century's most notorious killers, including Charles Manson, John Wayne Gacy, and Jeffrey Dahmer.
Chloé Saint-Laurent is a profiler and works with a police team to solve murders in Paris. She's very sweet, she wears very colored clothes and a huge yellow bag. She looks like a little girl who need a doll, but she's very smart and a very good profiler. Step by step, she fit in the team and her colleagues, very reserved at first, became her best friends.