intro:The thread sewn on the brain is commonly known as the "memory suture".A viral encephalitis outbreak broke out in 1992, and it was only quelled by this medical technology. Until now, it has evolved into an invasive brain information terminal that is indispensable in daily life.What you see, what you hear, and even feelings - in this world where everything will be recorded, when investigating major criminal cases, special detectives "Correspondents" are needed to sneak into the collective "memories" of the recorded collective.The genius girl Etika Haita maintains the youngest record of becoming a telecommunication officer.But she also became isolated because of this talent.At this moment, the new partner, the blonde and blue-eyed humanoid robot "Friend of Humanity" Harold, appears in front of her... In front of the strongest two, no secret will be hidden!