Once upon a time, he was the Xuan Chen Immortal Lord who had arbitrariness for eternity and slashed the stars with his sword. However, when he was attacking the supreme god realm, he was devoured by inner demons and his soul disappeared.
Now, he was reborn in Blue Star City and became a frustrated detective of the cold case team - Gu Changye. He also had a cute and dependent daughter.
An unsolved case of the "Phantom of the Theater" that had been left in the dust for seven years and an unexpected near-death experience allowed him to awaken his past life memories and activate the treasure that came with his remnant soul - [Tiandao Trace System].
By touching everything, you can trace its past and see the "embers" left behind by time.
A drop of dried blood can recreate the desperate screams at the crime scene.
A missing button can trace the murderer's panicked escape path.
The obsession of a deceased person can turn into the last clue to break through the fog.
