An inexperienced professional lip-reader Aoki joins Section 9, a special police unit headed by charismatic Maki that solves murders by retrieving memories from victim's brains. His first case is a murder of a young wife and mother.
The US President has been murdered. He went for a short stroll alone and got stabbed in the back. FBI agents arrive in Japan to bring his frozen brain to Section 9. It seem that the killer's motive may not be political.
The investigation slowly uncovers a secret that The President kept about his daughter's suspicious boyfriend. This unnerves Aoki and forces him to deal with his own secrets. The case turns out to be more complicated than first thought.
A mysterious man lets a van with four elderly men drive off a cliff. Section 9 investigates. The victims' memories show some rather complicated intergenerational family relationships. Meanwhile, Aoki's father collapses on the street.
A death row inmate is executed for the brutal murder of his family. Section 9 is ordered to confirm that he was indeed the killer. It turns out he was covering for someone. But why? Meanwhile, Aoki receives his father's journals.
Kinuko turns out to be much more devious and dangerous than previously thought, but without any evidence nothing can be done, and she knows it. Could there be something she overlooked? Meanwhile, Aoki finally reads his father's journal.
Wealthy hardworking president of a major airline company dies in a suspicious fire. Section 9 investigates, but it turns out his cold personality left a mark on his memories and rendered them almost useless for investigators. Almost.
A young woman is found dead with her breasts removed. Although she's been dead for four days, Section 9 manages to retrieve some of her recent memories. It seems that the victim was into body modification.
An old man tries to stop a masked man who's about to kill a woman. The old man is later found dead with an asterisk carved into his forehead - the signature of a new serial killer. Section 9 discovers that the man knew his murderer.
In a special facility where mentally unstable death row inmates await execution, several of them die or commit suicide in a short interval. Section 9 investigates. A smug new superintendent openly questions Maki's competence.
A violent husband gets stabbed to death in a small village. Aoki has a 48 hour window to recover the brain. However, typhoon hits, village roads become traitorous and someone sabotages the car. Drastic measures must be taken.
A strange case of nine teens who either killed themselves or got killed while running like mad from illusions jeopardizes Aoki's sanity and Maki is once again faced with the monster who drove his former partner and friend insane.
Shaken Maki discovers there's still time to save the tenth victim. Aoki investigates why Maki's previous partner and best friend lost his mind and forced Maki to kill him after watching the memories of a sadistic serial killer.
The president of a popular footwear company was dismembered. All he saw of his killer was a pair of red shoes for women on killer's feet. Since the man was a womanizer who often gave those exact same shows to his lovers, suspects multiply.
A desperate man takes a woman and her baby hostage. His only demand is for Section 9 to scan the brain of a politician who died a day ago and find one specific old memory. They have 12 hours to do it, or the SWAT team goes in.
A famous director who retired after finding out he was going blind is stabbed and killed in his garden by an assailant wearing a symbolic macabre mask that the director often used in his movies. His memories reveal a broken promise.
Two cops are found murdered. The memory scan on one of them reveals not just the identity of the killer but also some dark secrets about corruption at the highest levels of government.
A serial killer is targeting the passengers who witnessed a murder on a commuter train. Maki's late partner's girlfriend, an eccentric coroner with an attitude, helps with the case. Aoki recognizes her from her late boyfriend's memories.
Somehow, a deadly viral infection was released when the murder on the commuter train happened. Everyone on the train was infected as well as Maki's friend the coroner who dedicates her remaining time to research the virus. Aoki has a plan.
Refusing to just helplessly stand by and watch the woman he loves die, Aoki executes his desperate plan. The killer is finally revealed, but so is the ugly truth about everyone who was on the train when the murder happened.
A former member of Section 9 has been killed by her husband in a fit of rage. However, the scan of her memories reveals a tormented woman who fell prey to a religious cult and its leader. Or is there one more player in this tragedy?
While scanning the brain of a student who killed his teacher, the team discovers that he had planted a ticking device in a theme park where Aoki and two other agents are. One-sided love can be cruel. Also, the team gets a fan.
A man kills himself next to a dead woman. Before the team can scan his memories, a shady brain doctor stops them claiming that the two were from her asylum. Agent Amaichi doesn't buy it. Soon, Maki receives her disembodied brain.
The team is desperately counting on a slim chance that Amaichi may still be alive. A scan of her last dream finally connects the dots. A horrifying truth awaits the team in the brain doctor's asylum. Also, Maki's nemesis greets them.
After so many serious incidents and heavy casualties, it is clear that someone is trying to destroy Section 9 from within. Maki believes his late partner's memories hold the answers, but the team's technician has a theory of his own.
The team's technician is found murdered, but his memory reveals the key piece to the puzzle. Maki discovers a secret memory storage where deleted parts of his late partner's memory are still being kept. The shocking truth spells doom.
