Nine Puzzles - Season 1

A detective team apply new techniques to old crimes as they solve cold cases.

Baek Beom has worked as a forensic doctor for 10 years. He has a bad personality, but he is excellent with his work. Baek Beom does not open his mind to other people. Eun Sol is a rookie prosecutor with a warm heart. She has a bright personality and she comes from wealth family background. The forensic doctor and prosecutor work together to solve cases.

Hwang Shi Mok underwent brain surgery as a child to curb his violent temper, which left him devoid of emotions. Hwang becomes a prosecutor known for his piercing intelligence and logic, but he is ostracized because he lacks empathy and social skills. He is also one of only a handful of upright prosecutors who have refused to take bribes. One day, he encounters a stabbing victim while investigating corruption. He meets Lieutenant Han Yeo Jin at the crime scene. They join forces to root out corruption at the prosecutors’ office and solve a serial murder case.

A psychopath's ruthless serial murders have left the entire nation gripped by fear and chaos. An honest, justice-seeking rookie police officer and a veteran detective with a tragic past, face off against the killer. After their encounter with the psychopath, their lives change completely.

An American anthology police detective series utilizing multiple timelines in which investigations seem to unearth personal and professional secrets of those involved, both within or outside the law.

As a killing resembling a cold case resurfaces in a small town, the chase for the truth falls on two policemen who each harbor secrets of their own.

A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing pieces that solve the mystery.

The eccentric Oh Hyun Jae was a peerless criminal profiler until a bomb planted by a serial killer took the life of his young fiancée, causing him to become a recluse. When a serial killer long thought dead returns to terrorize the city, rising star of the police, Hwang Hwa Young, resolves to outwit the killer. To do so, she teams up with both Oh and the remarkable rookie cop Cha Soo Young, whose photographic memory may prove to be a powerful crime-fighting weapon.

A team of dedicated amateurs work on cases involving unidentified victims. After the police have given up, this group must first solve the puzzle of the victim's identity in order to then help catch the killer. They work to give the deceased back their names, lest they become—The Forgotten.

The son of a notorious serial killer becomes an acclaimed criminal psychologist who uses his unique insight into how killers think to help the NYPD.