Library

On a rainy night, a male corpse was discovered on the Bund observation deck. He had been injected with the number "VII" behind his ear and his blood was abnormally hemolyzed. Forensic doctor Jiang Lan discovered that the crescent-shaped scar on the inside of the ring finger of the deceased's right hand was exactly the same as the scar at the scene of his father's disappearance three years ago. At the same time, the criminal investigation captain Shen Yi found a metal plate with Roman numerals inscribed in the deceased's mouth, which was exactly the same as the source of the scar under his eyes - the scene of the unsolved explosion. With the appearance of the second floating corpse, Jiang Lan was attacked by a mysterious man in the laboratory. Shen Yi traced and found that the deceased had participated in the same drug experiment. The key witness left a photo of the red crow tattoo before his death. Jiang Lan deciphered the code book left by his father, revealing the shocking conspiracy of criminal organizations to control human memory through special drugs. When the two confronted the real culprit in the dock warehouse, they discovered that the culprit behind the scenes was actually a survivor of the medical accident twenty years ago. In the flames of the explosion in the pharmaceutical laboratory, Jiang Lan and Shen Yi must make a choice between justice and revenge...