Girl meets guy; girl falls for guy; guy turns out to have a dark and deadly secret. You know the drill. As women tell their real-life "I Dated An Axe Murderer" stories, police, psychologists and dating experts help unravel the mystery and explain how these relationships went tragically wrong.

From chilling betrayals to murder plots, this true-crime docuseries dissects the dark side of love through eyewitness testimonies.