Do you think Chloe is a completely normal girl? It isn't. She's a psychopath. Chloe is a freshman in college and her hobbies include yoga, parties, and planning the murder of a childhood friend who hurt her unforgivably. It is also part of a special clinical trial that examines its behavior. Because Chloe doesn't understand emotions like guilt or fear. When one of the research participants is found dead one day, a dangerous game of cat and mouse begins. Chloe, who just a moment ago was a hunter, suddenly becomes prey. In order to identify the killer, she must decide who to trust. But can you trust psychopaths?