A criminal psychologist Awantika Sinha, profiles a serial killer Shivam Bhargav. As she proceeds, she realises that she is caught up in the middle of the ultimate quest of right and wrong.
The story of a young woman who was resurrected from the dead by her father to become a robot. With her strength, she joins the assassination team "Petch Kulap" to take down the villains who use human clones as weapons until she meets a young police officer.
About 150,000 illegal entrants live in Tokyo. They are not recognised as refugees and live in poor conditions. To protect themselves, the illegals create a secret organisation. The organisation has a bank which Japanese Financial Services Agency is not involved with, a hospital that is not authorized by Japanese Ministry of Health, Labour, and Welfare and an illegals police force called "Dias Police." The only police officer in the organisation is Saki Kubozuka. His age and nationality is unknown. Saki Kubozuka does not speak much, but he has a warm heart and strong sense of justice. He takes care of the weak and tries to maintain public order.
Hua Long, Su Mei, Bao Zhan and Professor Liang comprise the SIG (Special Investigation Group). This group deals with the extremely abnormal and twisted investigations of homicide cases that are difficult to crack. In the process of solving the cases, each member must face their own dangers, conspiracy and growth.
Japan and Korea's biggest names star in this big-scale drama. Nishijima Sho is a Japanese detective whose father was murdered in Korea when he was still a boy. In hopes of discovering the truth behind his father's death, Sho is working undercover in a huge secret organization. Choi Yuna is a Korean woman who visits Japan in search of her missing father. She opens a Korean restaurant with her younger sister, but soon faces the mercy of fate. The couple meets in a corner of Tokyo and fall in love. But what waits ahead of them. A "rondo" of fate, love, and history is about to begin.
Private forensic researcher Nagareda Enishi (Katori Shingo) is usually very sluggish as well as sloppy, and always aloof. However, his entire demeanour changes once he is at a scene and his skills as a forensic researcher are topnotch. He stands up for the disadvantaged by using science and technology to uncover conclusive evidence and solve trivial civil cases which the police will not handle such as adultery, molest and stalking. Enishi used to be a member of the Research Institute of Forensic Science and was called an ace, but he now belongs to Chiyoda Forensic Science Institute due to some incident.