In the bustling yet treacherous city of Shengang, Shen Zhao is a top-tier psychotherapist with an astonishing, yet deadly, talent. She can spot a lie from a 0.01-second tremor of the eyelashes and reconstruct a crime scene from the swirling patterns in a coffee stain. Yet every rainy night, she becomes a "memory cleaner," destroying bloodstained memories and evidence of crimes for the wealthy.
During one therapy session, she discovers the truth about her mother's brutal death in the mind of a financial tycoon, uncovering a shocking conspiracy spanning twenty years. As her investigation deepens, an underground memory exchange and the mysterious Project Psi come to light. Every page of the evidence ledger is soaked in evil and secrets. As Shen Zhao battles the forces of darkness, she gradually discovers that she is the key to it all. Can she use her wits and courage to tear away the veil concealing the truth and win justice for herself and countless victims? When memories become courtroom evidence, how will she write her own legendary verdict?