Yu Feng, a modern detective, accidentally traveled through time while investigating a serial murder case and woke up in an fictional dynasty. An unsolved case happened and an innocent person was wrongly imprisoned. After traveling through time, he unlocked a special ability - he could see the fragments of truth remaining at the crime scene, pointing directly to the traces of the real murderer.
Relying on his modern criminal investigation knowledge and golden fingers, he managed to survive in an era without surveillance and lack of physical evidence, but unexpectedly met Youxiao, a smart and tenacious man who carried family secrets. The two went from testing each other to walking side by side. Yu Feng solved strange cases and cleared up grievances, while You Xiao used wisdom to help him avoid the traps of the court and the family.
When the dusty old cases are intertwined with the court conspiracy, and the real murderer is approaching step by step, Yufeng uses the ability to "see the truth" and joins hands with Youxiao to tear apart the layers of disguise. At the foggy crime scene, they use justice as the blade to restore clarity to the world. While chasing the murderer side by side, they unlock the deep love that spans time and space.
