Three years ago, an unsolved case was hastily concluded. Detective Pei Jing lost his comrade-in-arms, the real murderer absconded, and all clues were cut off, leaving only an old scar and a strange warning that would remain unsolved until his death. He took the initiative to retreat to the dormant city, waiting for the opportunity to reopen the truth.
She wanted to live a low-key life, but she bumped into Guomei, a daring homeless thief in an old alley late at night. She was six years old, wild and clever, with astonishing powers of observation. She was not timid or ran away after being captured. She said "We'll see, uncle" and became entangled in his life. Her identity is a mystery.
A sudden murder on the street completely tied the two people up. The murderer's tactics were strange, and the marks on his body were vaguely related to an old case three years ago. When they were on the run, Yu Shuang, a calm and wise female doctor, unexpectedly entered the situation. With her professional medical skills and meticulous thinking, she became the two most solid backing.
The aloof former detective Pei Jingzhang makes deductions and solves puzzles; the clever fruit girl explores clues and examines details; the gentle and sassy female doctor Yu Shuang unravels corpse evidence and fills in blind spots. The three of them unexpectedly form a team and travel through urban mysteries: murderous shadows in secret rooms, reappearances of old cases, serial murders, and the mastermind behind the scenes... Every step is startling, and every case is exciting.
As the layers of the mystery were peeled away, Pei Jing was shocked to discover that Guomei's life experience, Yu Shuang's encounter, and even the direction of all the murders all pointed to the core truth of the unsolved case three years ago.
A retired detective, a clever little girl, and a sassy female doctor embark on a suspenseful road of murder every step of the way.
The darkness is not over, the truth is not yet clear, they walk side by side, vowing to tear through the fog and uncover the real murderer hidden in the abyss!
